Home / 9,318.92-12,859.97-5,543.91

Finding the Fourth Proportional to 9,318.92, 12,859.97 and 5,543.91

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Solution

The fourth proportional to 9,318.92, 12,859.97 and 5,543.91 is: 7,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.92 : 12,859.97 = 5,543.91 : x
  2. Step 2: Convert to fraction form
    9,318.92/12,859.97 = 5,543.91/x
  3. Step 3: Cross multiply
    9,318.92x = 12,859.97 × 5,543.91
  4. Step 4: Simplify right side
    9,318.92x = 71,294,488.56
  5. Step 5: Solve for x
    x = 71,294,488.56/9,318.92
  6. Step 6: Final answer
    x = 7,650.51

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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.