Home / 4,213.79-5,814.87-2,445.15

Finding the Fourth Proportional to 4,213.79, 5,814.87 and 2,445.15

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Solution

The fourth proportional to 4,213.79, 5,814.87 and 2,445.15 is: 3,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.79 : 5,814.87 = 2,445.15 : x
  2. Step 2: Convert to fraction form
    4,213.79/5,814.87 = 2,445.15/x
  3. Step 3: Cross multiply
    4,213.79x = 5,814.87 × 2,445.15
  4. Step 4: Simplify right side
    4,213.79x = 14,218,229.38
  5. Step 5: Solve for x
    x = 14,218,229.38/4,213.79
  6. Step 6: Final answer
    x = 3,374.22

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Find fourth proportional to 2,106.89, 2,907.44 and 1,222.58
Half scale
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Double scale
Find fourth proportional to 4,214.79, 5,816.25 and 2,446.15
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.