Home / 8,373.24-12,542.13-3,986.28

Finding the Fourth Proportional to 8,373.24, 12,542.13 and 3,986.28

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Solution

The fourth proportional to 8,373.24, 12,542.13 and 3,986.28 is: 5,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.24 : 12,542.13 = 3,986.28 : x
  2. Step 2: Convert to fraction form
    8,373.24/12,542.13 = 3,986.28/x
  3. Step 3: Cross multiply
    8,373.24x = 12,542.13 × 3,986.28
  4. Step 4: Simplify right side
    8,373.24x = 49,996,441.98
  5. Step 5: Solve for x
    x = 49,996,441.98/8,373.24
  6. Step 6: Final answer
    x = 5,970.98

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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.