Home / 8,922.42-13,385.76-3,079.08

Finding the Fourth Proportional to 8,922.42, 13,385.76 and 3,079.08

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Solution

The fourth proportional to 8,922.42, 13,385.76 and 3,079.08 is: 4,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.42 : 13,385.76 = 3,079.08 : x
  2. Step 2: Convert to fraction form
    8,922.42/13,385.76 = 3,079.08/x
  3. Step 3: Cross multiply
    8,922.42x = 13,385.76 × 3,079.08
  4. Step 4: Simplify right side
    8,922.42x = 41,215,814.35
  5. Step 5: Solve for x
    x = 41,215,814.35/8,922.42
  6. Step 6: Final answer
    x = 4,619.35

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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.