Home / 7,387.30-11,077.66-2,706.08

Finding the Fourth Proportional to 7,387.30, 11,077.66 and 2,706.08

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Solution

The fourth proportional to 7,387.30, 11,077.66 and 2,706.08 is: 4,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.30 : 11,077.66 = 2,706.08 : x
  2. Step 2: Convert to fraction form
    7,387.30/11,077.66 = 2,706.08/x
  3. Step 3: Cross multiply
    7,387.30x = 11,077.66 × 2,706.08
  4. Step 4: Simplify right side
    7,387.30x = 29,976,982.17
  5. Step 5: Solve for x
    x = 29,976,982.17/7,387.30
  6. Step 6: Final answer
    x = 4,057.91

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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.