Home / 5,150.38-7,726.17-1,865.02

Finding the Fourth Proportional to 5,150.38, 7,726.17 and 1,865.02

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Solution

The fourth proportional to 5,150.38, 7,726.17 and 1,865.02 is: 2,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.38 : 7,726.17 = 1,865.02 : x
  2. Step 2: Convert to fraction form
    5,150.38/7,726.17 = 1,865.02/x
  3. Step 3: Cross multiply
    5,150.38x = 7,726.17 × 1,865.02
  4. Step 4: Simplify right side
    5,150.38x = 14,409,461.57
  5. Step 5: Solve for x
    x = 14,409,461.57/5,150.38
  6. Step 6: Final answer
    x = 2,797.75

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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.