Home / 8,909.34-12,296.25-5,552.70

Finding the Fourth Proportional to 8,909.34, 12,296.25 and 5,552.70

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Solution

The fourth proportional to 8,909.34, 12,296.25 and 5,552.70 is: 7,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.34 : 12,296.25 = 5,552.70 : x
  2. Step 2: Convert to fraction form
    8,909.34/12,296.25 = 5,552.70/x
  3. Step 3: Cross multiply
    8,909.34x = 12,296.25 × 5,552.70
  4. Step 4: Simplify right side
    8,909.34x = 68,277,387.38
  5. Step 5: Solve for x
    x = 68,277,387.38/8,909.34
  6. Step 6: Final answer
    x = 7,663.57

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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.