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Finding the Fourth Proportional to 6,652.65, 9,981.33 and 2,954.55

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Solution

The fourth proportional to 6,652.65, 9,981.33 and 2,954.55 is: 4,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.65 : 9,981.33 = 2,954.55 : x
  2. Step 2: Convert to fraction form
    6,652.65/9,981.33 = 2,954.55/x
  3. Step 3: Cross multiply
    6,652.65x = 9,981.33 × 2,954.55
  4. Step 4: Simplify right side
    6,652.65x = 29,490,338.55
  5. Step 5: Solve for x
    x = 29,490,338.55/6,652.65
  6. Step 6: Final answer
    x = 4,432.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.