Home / 8,743.92-12,065.24-4,914.79

Finding the Fourth Proportional to 8,743.92, 12,065.24 and 4,914.79

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Solution

The fourth proportional to 8,743.92, 12,065.24 and 4,914.79 is: 6,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.92 : 12,065.24 = 4,914.79 : x
  2. Step 2: Convert to fraction form
    8,743.92/12,065.24 = 4,914.79/x
  3. Step 3: Cross multiply
    8,743.92x = 12,065.24 × 4,914.79
  4. Step 4: Simplify right side
    8,743.92x = 59,298,143.24
  5. Step 5: Solve for x
    x = 59,298,143.24/8,743.92
  6. Step 6: Final answer
    x = 6,781.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.