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Finding the Fourth Proportional to 8,878.39, 13,325.70 and 4,498.87

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Solution

The fourth proportional to 8,878.39, 13,325.70 and 4,498.87 is: 6,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.39 : 13,325.70 = 4,498.87 : x
  2. Step 2: Convert to fraction form
    8,878.39/13,325.70 = 4,498.87/x
  3. Step 3: Cross multiply
    8,878.39x = 13,325.70 × 4,498.87
  4. Step 4: Simplify right side
    8,878.39x = 59,950,591.96
  5. Step 5: Solve for x
    x = 59,950,591.96/8,878.39
  6. Step 6: Final answer
    x = 6,752.42

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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.