Home / 8,909.67-13,366.14-2,985.96

Finding the Fourth Proportional to 8,909.67, 13,366.14 and 2,985.96

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Solution

The fourth proportional to 8,909.67, 13,366.14 and 2,985.96 is: 4,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.67 : 13,366.14 = 2,985.96 : x
  2. Step 2: Convert to fraction form
    8,909.67/13,366.14 = 2,985.96/x
  3. Step 3: Cross multiply
    8,909.67x = 13,366.14 × 2,985.96
  4. Step 4: Simplify right side
    8,909.67x = 39,910,759.39
  5. Step 5: Solve for x
    x = 39,910,759.39/8,909.67
  6. Step 6: Final answer
    x = 4,479.49

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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.