Home / 4,635.78-6,397.47-2,540.04

Finding the Fourth Proportional to 4,635.78, 6,397.47 and 2,540.04

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Solution

The fourth proportional to 4,635.78, 6,397.47 and 2,540.04 is: 3,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.78 : 6,397.47 = 2,540.04 : x
  2. Step 2: Convert to fraction form
    4,635.78/6,397.47 = 2,540.04/x
  3. Step 3: Cross multiply
    4,635.78x = 6,397.47 × 2,540.04
  4. Step 4: Simplify right side
    4,635.78x = 16,249,829.70
  5. Step 5: Solve for x
    x = 16,249,829.70/4,635.78
  6. Step 6: Final answer
    x = 3,505.31

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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.