Home / 8,064.36-12,098.72-3,381.90

Finding the Fourth Proportional to 8,064.36, 12,098.72 and 3,381.90

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Solution

The fourth proportional to 8,064.36, 12,098.72 and 3,381.90 is: 5,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.36 : 12,098.72 = 3,381.90 : x
  2. Step 2: Convert to fraction form
    8,064.36/12,098.72 = 3,381.90/x
  3. Step 3: Cross multiply
    8,064.36x = 12,098.72 × 3,381.90
  4. Step 4: Simplify right side
    8,064.36x = 40,916,661.17
  5. Step 5: Solve for x
    x = 40,916,661.17/8,064.36
  6. Step 6: Final answer
    x = 5,073.76

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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.