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Finding the Fourth Proportional to 8,951.34, 12,352.92 and 5,596.13

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Solution

The fourth proportional to 8,951.34, 12,352.92 and 5,596.13 is: 7,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.34 : 12,352.92 = 5,596.13 : x
  2. Step 2: Convert to fraction form
    8,951.34/12,352.92 = 5,596.13/x
  3. Step 3: Cross multiply
    8,951.34x = 12,352.92 × 5,596.13
  4. Step 4: Simplify right side
    8,951.34x = 69,128,556.10
  5. Step 5: Solve for x
    x = 69,128,556.10/8,951.34
  6. Step 6: Final answer
    x = 7,722.70

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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.