Home / 7,135.11-10,691.43-3,382.59

Finding the Fourth Proportional to 7,135.11, 10,691.43 and 3,382.59

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Solution

The fourth proportional to 7,135.11, 10,691.43 and 3,382.59 is: 5,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.11 : 10,691.43 = 3,382.59 : x
  2. Step 2: Convert to fraction form
    7,135.11/10,691.43 = 3,382.59/x
  3. Step 3: Cross multiply
    7,135.11x = 10,691.43 × 3,382.59
  4. Step 4: Simplify right side
    7,135.11x = 36,164,724.20
  5. Step 5: Solve for x
    x = 36,164,724.20/7,135.11
  6. Step 6: Final answer
    x = 5,068.56

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1.5x scale

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.