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Finding the Fourth Proportional to 7,167.92, 10,751.87 and 4,702.17

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Solution

The fourth proportional to 7,167.92, 10,751.87 and 4,702.17 is: 7,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.92 : 10,751.87 = 4,702.17 : x
  2. Step 2: Convert to fraction form
    7,167.92/10,751.87 = 4,702.17/x
  3. Step 3: Cross multiply
    7,167.92x = 10,751.87 × 4,702.17
  4. Step 4: Simplify right side
    7,167.92x = 50,557,078.55
  5. Step 5: Solve for x
    x = 50,557,078.55/7,167.92
  6. Step 6: Final answer
    x = 7,053.25

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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.