Home / 9,310.38-12,847.86-5,330.58

Finding the Fourth Proportional to 9,310.38, 12,847.86 and 5,330.58

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Solution

The fourth proportional to 9,310.38, 12,847.86 and 5,330.58 is: 7,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.38 : 12,847.86 = 5,330.58 : x
  2. Step 2: Convert to fraction form
    9,310.38/12,847.86 = 5,330.58/x
  3. Step 3: Cross multiply
    9,310.38x = 12,847.86 × 5,330.58
  4. Step 4: Simplify right side
    9,310.38x = 68,486,545.56
  5. Step 5: Solve for x
    x = 68,486,545.56/9,310.38
  6. Step 6: Final answer
    x = 7,355.93

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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.