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Finding the Fourth Proportional to 6,600.57, 9,902.61 and 2,903.64

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Solution

The fourth proportional to 6,600.57, 9,902.61 and 2,903.64 is: 4,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.57 : 9,902.61 = 2,903.64 : x
  2. Step 2: Convert to fraction form
    6,600.57/9,902.61 = 2,903.64/x
  3. Step 3: Cross multiply
    6,600.57x = 9,902.61 × 2,903.64
  4. Step 4: Simplify right side
    6,600.57x = 28,753,614.50
  5. Step 5: Solve for x
    x = 28,753,614.50/6,600.57
  6. Step 6: Final answer
    x = 4,356.23

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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.