Home / 5,412.78-7,464.65-3,731.49

Finding the Fourth Proportional to 5,412.78, 7,464.65 and 3,731.49

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Solution

The fourth proportional to 5,412.78, 7,464.65 and 3,731.49 is: 5,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.78 : 7,464.65 = 3,731.49 : x
  2. Step 2: Convert to fraction form
    5,412.78/7,464.65 = 3,731.49/x
  3. Step 3: Cross multiply
    5,412.78x = 7,464.65 × 3,731.49
  4. Step 4: Simplify right side
    5,412.78x = 27,854,248.17
  5. Step 5: Solve for x
    x = 27,854,248.17/5,412.78
  6. Step 6: Final answer
    x = 5,146.02

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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.