Home / 8,760.44-13,135.79-2,913.86

Finding the Fourth Proportional to 8,760.44, 13,135.79 and 2,913.86

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Solution

The fourth proportional to 8,760.44, 13,135.79 and 2,913.86 is: 4,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.44 : 13,135.79 = 2,913.86 : x
  2. Step 2: Convert to fraction form
    8,760.44/13,135.79 = 2,913.86/x
  3. Step 3: Cross multiply
    8,760.44x = 13,135.79 × 2,913.86
  4. Step 4: Simplify right side
    8,760.44x = 38,275,772.80
  5. Step 5: Solve for x
    x = 38,275,772.80/8,760.44
  6. Step 6: Final answer
    x = 4,369.16

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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.