Home / 5,139.34-7,711.05-3,060.32

Finding the Fourth Proportional to 5,139.34, 7,711.05 and 3,060.32

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Solution

The fourth proportional to 5,139.34, 7,711.05 and 3,060.32 is: 4,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.34 : 7,711.05 = 3,060.32 : x
  2. Step 2: Convert to fraction form
    5,139.34/7,711.05 = 3,060.32/x
  3. Step 3: Cross multiply
    5,139.34x = 7,711.05 × 3,060.32
  4. Step 4: Simplify right side
    5,139.34x = 23,598,280.54
  5. Step 5: Solve for x
    x = 23,598,280.54/5,139.34
  6. Step 6: Final answer
    x = 4,591.70

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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.