Home / 8,939.88-12,337.02-4,961.04

Finding the Fourth Proportional to 8,939.88, 12,337.02 and 4,961.04

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Solution

The fourth proportional to 8,939.88, 12,337.02 and 4,961.04 is: 6,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.88 : 12,337.02 = 4,961.04 : x
  2. Step 2: Convert to fraction form
    8,939.88/12,337.02 = 4,961.04/x
  3. Step 3: Cross multiply
    8,939.88x = 12,337.02 × 4,961.04
  4. Step 4: Simplify right side
    8,939.88x = 61,204,449.70
  5. Step 5: Solve for x
    x = 61,204,449.70/8,939.88
  6. Step 6: Final answer
    x = 6,846.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.