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Finding the Fourth Proportional to 6,079.88, 9,127.68 and 3,160.22

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Solution

The fourth proportional to 6,079.88, 9,127.68 and 3,160.22 is: 4,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.88 : 9,127.68 = 3,160.22 : x
  2. Step 2: Convert to fraction form
    6,079.88/9,127.68 = 3,160.22/x
  3. Step 3: Cross multiply
    6,079.88x = 9,127.68 × 3,160.22
  4. Step 4: Simplify right side
    6,079.88x = 28,845,476.89
  5. Step 5: Solve for x
    x = 28,845,476.89/6,079.88
  6. Step 6: Final answer
    x = 4,744.42

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1.5x scale

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.