Home / 4,587.20-6,863.76-2,739.28

Finding the Fourth Proportional to 4,587.20, 6,863.76 and 2,739.28

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Solution

The fourth proportional to 4,587.20, 6,863.76 and 2,739.28 is: 4,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.20 : 6,863.76 = 2,739.28 : x
  2. Step 2: Convert to fraction form
    4,587.20/6,863.76 = 2,739.28/x
  3. Step 3: Cross multiply
    4,587.20x = 6,863.76 × 2,739.28
  4. Step 4: Simplify right side
    4,587.20x = 18,801,760.49
  5. Step 5: Solve for x
    x = 18,801,760.49/4,587.20
  6. Step 6: Final answer
    x = 4,098.74

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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.