Home / 9,332.28-12,881.18-6,147.90

Finding the Fourth Proportional to 9,332.28, 12,881.18 and 6,147.90

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Solution

The fourth proportional to 9,332.28, 12,881.18 and 6,147.90 is: 8,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.28 : 12,881.18 = 6,147.90 : x
  2. Step 2: Convert to fraction form
    9,332.28/12,881.18 = 6,147.90/x
  3. Step 3: Cross multiply
    9,332.28x = 12,881.18 × 6,147.90
  4. Step 4: Simplify right side
    9,332.28x = 79,192,221.89
  5. Step 5: Solve for x
    x = 79,192,221.89/9,332.28
  6. Step 6: Final answer
    x = 8,485.84

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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.