Home / 5,729.68-7,906.56-3,371.32

Finding the Fourth Proportional to 5,729.68, 7,906.56 and 3,371.32

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Solution

The fourth proportional to 5,729.68, 7,906.56 and 3,371.32 is: 4,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.68 : 7,906.56 = 3,371.32 : x
  2. Step 2: Convert to fraction form
    5,729.68/7,906.56 = 3,371.32/x
  3. Step 3: Cross multiply
    5,729.68x = 7,906.56 × 3,371.32
  4. Step 4: Simplify right side
    5,729.68x = 26,655,543.86
  5. Step 5: Solve for x
    x = 26,655,543.86/5,729.68
  6. Step 6: Final answer
    x = 4,652.19

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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.