Home / 8,395.46-12,584.98-3,126.61

Finding the Fourth Proportional to 8,395.46, 12,584.98 and 3,126.61

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Solution

The fourth proportional to 8,395.46, 12,584.98 and 3,126.61 is: 4,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.46 : 12,584.98 = 3,126.61 : x
  2. Step 2: Convert to fraction form
    8,395.46/12,584.98 = 3,126.61/x
  3. Step 3: Cross multiply
    8,395.46x = 12,584.98 × 3,126.61
  4. Step 4: Simplify right side
    8,395.46x = 39,348,324.32
  5. Step 5: Solve for x
    x = 39,348,324.32/8,395.46
  6. Step 6: Final answer
    x = 4,686.86

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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.