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Finding the Fourth Proportional to 8,998.88, 13,498.62 and 5,049.92

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Solution

The fourth proportional to 8,998.88, 13,498.62 and 5,049.92 is: 7,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.88 : 13,498.62 = 5,049.92 : x
  2. Step 2: Convert to fraction form
    8,998.88/13,498.62 = 5,049.92/x
  3. Step 3: Cross multiply
    8,998.88x = 13,498.62 × 5,049.92
  4. Step 4: Simplify right side
    8,998.88x = 68,166,951.11
  5. Step 5: Solve for x
    x = 68,166,951.11/8,998.88
  6. Step 6: Final answer
    x = 7,575.05

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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.