Home / 5,868.28-8,098.42-3,215.72

Finding the Fourth Proportional to 5,868.28, 8,098.42 and 3,215.72

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Solution

The fourth proportional to 5,868.28, 8,098.42 and 3,215.72 is: 4,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.28 : 8,098.42 = 3,215.72 : x
  2. Step 2: Convert to fraction form
    5,868.28/8,098.42 = 3,215.72/x
  3. Step 3: Cross multiply
    5,868.28x = 8,098.42 × 3,215.72
  4. Step 4: Simplify right side
    5,868.28x = 26,042,251.16
  5. Step 5: Solve for x
    x = 26,042,251.16/5,868.28
  6. Step 6: Final answer
    x = 4,437.80

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1.5x scale

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.