Home / 8,286.66-12,430.56-2,743.91

Finding the Fourth Proportional to 8,286.66, 12,430.56 and 2,743.91

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Solution

The fourth proportional to 8,286.66, 12,430.56 and 2,743.91 is: 4,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.66 : 12,430.56 = 2,743.91 : x
  2. Step 2: Convert to fraction form
    8,286.66/12,430.56 = 2,743.91/x
  3. Step 3: Cross multiply
    8,286.66x = 12,430.56 × 2,743.91
  4. Step 4: Simplify right side
    8,286.66x = 34,108,275.74
  5. Step 5: Solve for x
    x = 34,108,275.74/8,286.66
  6. Step 6: Final answer
    x = 4,116.05

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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.