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Finding the Fourth Proportional to 6,600.98, 9,902.72 and 2,652.55

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Solution

The fourth proportional to 6,600.98, 9,902.72 and 2,652.55 is: 3,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.98 : 9,902.72 = 2,652.55 : x
  2. Step 2: Convert to fraction form
    6,600.98/9,902.72 = 2,652.55/x
  3. Step 3: Cross multiply
    6,600.98x = 9,902.72 × 2,652.55
  4. Step 4: Simplify right side
    6,600.98x = 26,267,441.81
  5. Step 5: Solve for x
    x = 26,267,441.81/6,600.98
  6. Step 6: Final answer
    x = 3,979.32

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1.5x scale

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.