Home / 4,213.62-5,815.60-2,445.19

Finding the Fourth Proportional to 4,213.62, 5,815.60 and 2,445.19

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Solution

The fourth proportional to 4,213.62, 5,815.60 and 2,445.19 is: 3,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.62 : 5,815.60 = 2,445.19 : x
  2. Step 2: Convert to fraction form
    4,213.62/5,815.60 = 2,445.19/x
  3. Step 3: Cross multiply
    4,213.62x = 5,815.60 × 2,445.19
  4. Step 4: Simplify right side
    4,213.62x = 14,220,226.31
  5. Step 5: Solve for x
    x = 14,220,226.31/4,213.62
  6. Step 6: Final answer
    x = 3,374.82

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Half scale
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Double scale
Find fourth proportional to 4,214.62, 5,816.98 and 2,446.19
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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.