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Finding the Fourth Proportional to 6,891.33, 9,510.11 and 3,747.52

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Solution

The fourth proportional to 6,891.33, 9,510.11 and 3,747.52 is: 5,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.33 : 9,510.11 = 3,747.52 : x
  2. Step 2: Convert to fraction form
    6,891.33/9,510.11 = 3,747.52/x
  3. Step 3: Cross multiply
    6,891.33x = 9,510.11 × 3,747.52
  4. Step 4: Simplify right side
    6,891.33x = 35,639,281.14
  5. Step 5: Solve for x
    x = 35,639,281.14/6,891.33
  6. Step 6: Final answer
    x = 5,171.61

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1.5x scale

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.