Home / 5,264.38-7,890.09-2,487.34

Finding the Fourth Proportional to 5,264.38, 7,890.09 and 2,487.34

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Solution

The fourth proportional to 5,264.38, 7,890.09 and 2,487.34 is: 3,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.38 : 7,890.09 = 2,487.34 : x
  2. Step 2: Convert to fraction form
    5,264.38/7,890.09 = 2,487.34/x
  3. Step 3: Cross multiply
    5,264.38x = 7,890.09 × 2,487.34
  4. Step 4: Simplify right side
    5,264.38x = 19,625,336.46
  5. Step 5: Solve for x
    x = 19,625,336.46/5,264.38
  6. Step 6: Final answer
    x = 3,727.95

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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.