Home / 8,116.19-12,176.10-2,569.86

Finding the Fourth Proportional to 8,116.19, 12,176.10 and 2,569.86

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Solution

The fourth proportional to 8,116.19, 12,176.10 and 2,569.86 is: 3,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.19 : 12,176.10 = 2,569.86 : x
  2. Step 2: Convert to fraction form
    8,116.19/12,176.10 = 2,569.86/x
  3. Step 3: Cross multiply
    8,116.19x = 12,176.10 × 2,569.86
  4. Step 4: Simplify right side
    8,116.19x = 31,290,872.35
  5. Step 5: Solve for x
    x = 31,290,872.35/8,116.19
  6. Step 6: Final answer
    x = 3,855.36

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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.