Home / 5,272.64-7,906.28-1,761.39

Finding the Fourth Proportional to 5,272.64, 7,906.28 and 1,761.39

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Solution

The fourth proportional to 5,272.64, 7,906.28 and 1,761.39 is: 2,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.64 : 7,906.28 = 1,761.39 : x
  2. Step 2: Convert to fraction form
    5,272.64/7,906.28 = 1,761.39/x
  3. Step 3: Cross multiply
    5,272.64x = 7,906.28 × 1,761.39
  4. Step 4: Simplify right side
    5,272.64x = 13,926,033.72
  5. Step 5: Solve for x
    x = 13,926,033.72/5,272.64
  6. Step 6: Final answer
    x = 2,641.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.