Home / 5,280.67-7,287.22-3,042.53

Finding the Fourth Proportional to 5,280.67, 7,287.22 and 3,042.53

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Solution

The fourth proportional to 5,280.67, 7,287.22 and 3,042.53 is: 4,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.67 : 7,287.22 = 3,042.53 : x
  2. Step 2: Convert to fraction form
    5,280.67/7,287.22 = 3,042.53/x
  3. Step 3: Cross multiply
    5,280.67x = 7,287.22 × 3,042.53
  4. Step 4: Simplify right side
    5,280.67x = 22,171,585.47
  5. Step 5: Solve for x
    x = 22,171,585.47/5,280.67
  6. Step 6: Final answer
    x = 4,198.63

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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.