Home / 8,631.74-12,944.04-2,706.65

Finding the Fourth Proportional to 8,631.74, 12,944.04 and 2,706.65

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Solution

The fourth proportional to 8,631.74, 12,944.04 and 2,706.65 is: 4,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.74 : 12,944.04 = 2,706.65 : x
  2. Step 2: Convert to fraction form
    8,631.74/12,944.04 = 2,706.65/x
  3. Step 3: Cross multiply
    8,631.74x = 12,944.04 × 2,706.65
  4. Step 4: Simplify right side
    8,631.74x = 35,034,985.87
  5. Step 5: Solve for x
    x = 35,034,985.87/8,631.74
  6. Step 6: Final answer
    x = 4,058.86

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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.