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Finding the Fourth Proportional to 7,246.65, 9,996.17 and 4,102.23

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Solution

The fourth proportional to 7,246.65, 9,996.17 and 4,102.23 is: 5,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.65 : 9,996.17 = 4,102.23 : x
  2. Step 2: Convert to fraction form
    7,246.65/9,996.17 = 4,102.23/x
  3. Step 3: Cross multiply
    7,246.65x = 9,996.17 × 4,102.23
  4. Step 4: Simplify right side
    7,246.65x = 41,006,567.95
  5. Step 5: Solve for x
    x = 41,006,567.95/7,246.65
  6. Step 6: Final answer
    x = 5,658.69

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Double scale
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Similar ratio
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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.