Home / 8,711.15-13,068.66-2,867.36

Finding the Fourth Proportional to 8,711.15, 13,068.66 and 2,867.36

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Solution

The fourth proportional to 8,711.15, 13,068.66 and 2,867.36 is: 4,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.15 : 13,068.66 = 2,867.36 : x
  2. Step 2: Convert to fraction form
    8,711.15/13,068.66 = 2,867.36/x
  3. Step 3: Cross multiply
    8,711.15x = 13,068.66 × 2,867.36
  4. Step 4: Simplify right side
    8,711.15x = 37,472,552.94
  5. Step 5: Solve for x
    x = 37,472,552.94/8,711.15
  6. Step 6: Final answer
    x = 4,301.68

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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.