Home / 5,240.28-7,859.19-1,541.52

Finding the Fourth Proportional to 5,240.28, 7,859.19 and 1,541.52

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Solution

The fourth proportional to 5,240.28, 7,859.19 and 1,541.52 is: 2,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.28 : 7,859.19 = 1,541.52 : x
  2. Step 2: Convert to fraction form
    5,240.28/7,859.19 = 1,541.52/x
  3. Step 3: Cross multiply
    5,240.28x = 7,859.19 × 1,541.52
  4. Step 4: Simplify right side
    5,240.28x = 12,115,098.57
  5. Step 5: Solve for x
    x = 12,115,098.57/5,240.28
  6. Step 6: Final answer
    x = 2,311.92

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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.