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Finding the Fourth Proportional to 6,617.68, 9,928.24 and 2,458.89

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Solution

The fourth proportional to 6,617.68, 9,928.24 and 2,458.89 is: 3,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.68 : 9,928.24 = 2,458.89 : x
  2. Step 2: Convert to fraction form
    6,617.68/9,928.24 = 2,458.89/x
  3. Step 3: Cross multiply
    6,617.68x = 9,928.24 × 2,458.89
  4. Step 4: Simplify right side
    6,617.68x = 24,412,431.38
  5. Step 5: Solve for x
    x = 24,412,431.38/6,617.68
  6. Step 6: Final answer
    x = 3,688.97

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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.