Home / 6,475.85-9,711.34-2,092.13

Finding the Fourth Proportional to 6,475.85, 9,711.34 and 2,092.13

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Solution

The fourth proportional to 6,475.85, 9,711.34 and 2,092.13 is: 3,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.85 : 9,711.34 = 2,092.13 : x
  2. Step 2: Convert to fraction form
    6,475.85/9,711.34 = 2,092.13/x
  3. Step 3: Cross multiply
    6,475.85x = 9,711.34 × 2,092.13
  4. Step 4: Simplify right side
    6,475.85x = 20,317,331.97
  5. Step 5: Solve for x
    x = 20,317,331.97/6,475.85
  6. Step 6: Final answer
    x = 3,137.40

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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.