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Finding the Fourth Proportional to 6,648.57, 9,974.59 and 2,488.90

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Solution

The fourth proportional to 6,648.57, 9,974.59 and 2,488.90 is: 3,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.57 : 9,974.59 = 2,488.90 : x
  2. Step 2: Convert to fraction form
    6,648.57/9,974.59 = 2,488.90/x
  3. Step 3: Cross multiply
    6,648.57x = 9,974.59 × 2,488.90
  4. Step 4: Simplify right side
    6,648.57x = 24,825,757.05
  5. Step 5: Solve for x
    x = 24,825,757.05/6,648.57
  6. Step 6: Final answer
    x = 3,734.00

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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.