Home / 4,213.28-5,815.56-2,445.68

Finding the Fourth Proportional to 4,213.28, 5,815.56 and 2,445.68

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Solution

The fourth proportional to 4,213.28, 5,815.56 and 2,445.68 is: 3,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.28 : 5,815.56 = 2,445.68 : x
  2. Step 2: Convert to fraction form
    4,213.28/5,815.56 = 2,445.68/x
  3. Step 3: Cross multiply
    4,213.28x = 5,815.56 × 2,445.68
  4. Step 4: Simplify right side
    4,213.28x = 14,222,998.78
  5. Step 5: Solve for x
    x = 14,222,998.78/4,213.28
  6. Step 6: Final answer
    x = 3,375.75

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Double scale
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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.