Home / 8,922.85-13,385.48-3,079.91

Finding the Fourth Proportional to 8,922.85, 13,385.48 and 3,079.91

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Solution

The fourth proportional to 8,922.85, 13,385.48 and 3,079.91 is: 4,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.85 : 13,385.48 = 3,079.91 : x
  2. Step 2: Convert to fraction form
    8,922.85/13,385.48 = 3,079.91/x
  3. Step 3: Cross multiply
    8,922.85x = 13,385.48 × 3,079.91
  4. Step 4: Simplify right side
    8,922.85x = 41,226,073.71
  5. Step 5: Solve for x
    x = 41,226,073.71/8,922.85
  6. Step 6: Final answer
    x = 4,620.28

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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.