Home / 5,280.43-7,286.74-3,042.37

Finding the Fourth Proportional to 5,280.43, 7,286.74 and 3,042.37

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Solution

The fourth proportional to 5,280.43, 7,286.74 and 3,042.37 is: 4,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.43 : 7,286.74 = 3,042.37 : x
  2. Step 2: Convert to fraction form
    5,280.43/7,286.74 = 3,042.37/x
  3. Step 3: Cross multiply
    5,280.43x = 7,286.74 × 3,042.37
  4. Step 4: Simplify right side
    5,280.43x = 22,168,959.17
  5. Step 5: Solve for x
    x = 22,168,959.17/5,280.43
  6. Step 6: Final answer
    x = 4,198.32

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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.