Home / 8,939.80-13,385.04-6,741.88

Finding the Fourth Proportional to 8,939.80, 13,385.04 and 6,741.88

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Solution

The fourth proportional to 8,939.80, 13,385.04 and 6,741.88 is: 10,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.80 : 13,385.04 = 6,741.88 : x
  2. Step 2: Convert to fraction form
    8,939.80/13,385.04 = 6,741.88/x
  3. Step 3: Cross multiply
    8,939.80x = 13,385.04 × 6,741.88
  4. Step 4: Simplify right side
    8,939.80x = 90,240,333.48
  5. Step 5: Solve for x
    x = 90,240,333.48/8,939.80
  6. Step 6: Final answer
    x = 10,094.22

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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.