Home / 9,310.87-12,847.98-5,332.96

Finding the Fourth Proportional to 9,310.87, 12,847.98 and 5,332.96

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Solution

The fourth proportional to 9,310.87, 12,847.98 and 5,332.96 is: 7,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.87 : 12,847.98 = 5,332.96 : x
  2. Step 2: Convert to fraction form
    9,310.87/12,847.98 = 5,332.96/x
  3. Step 3: Cross multiply
    9,310.87x = 12,847.98 × 5,332.96
  4. Step 4: Simplify right side
    9,310.87x = 68,517,763.42
  5. Step 5: Solve for x
    x = 68,517,763.42/9,310.87
  6. Step 6: Final answer
    x = 7,358.90

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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.