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Finding the Fourth Proportional to 9,362.80, 12,920.28 and 6,000.88

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Solution

The fourth proportional to 9,362.80, 12,920.28 and 6,000.88 is: 8,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.80 : 12,920.28 = 6,000.88 : x
  2. Step 2: Convert to fraction form
    9,362.80/12,920.28 = 6,000.88/x
  3. Step 3: Cross multiply
    9,362.80x = 12,920.28 × 6,000.88
  4. Step 4: Simplify right side
    9,362.80x = 77,533,049.85
  5. Step 5: Solve for x
    x = 77,533,049.85/9,362.80
  6. Step 6: Final answer
    x = 8,280.97

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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.