Home / 8,581.14-12,867.59-3,648.11

Finding the Fourth Proportional to 8,581.14, 12,867.59 and 3,648.11

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Solution

The fourth proportional to 8,581.14, 12,867.59 and 3,648.11 is: 5,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.14 : 12,867.59 = 3,648.11 : x
  2. Step 2: Convert to fraction form
    8,581.14/12,867.59 = 3,648.11/x
  3. Step 3: Cross multiply
    8,581.14x = 12,867.59 × 3,648.11
  4. Step 4: Simplify right side
    8,581.14x = 46,942,328.54
  5. Step 5: Solve for x
    x = 46,942,328.54/8,581.14
  6. Step 6: Final answer
    x = 5,470.41

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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.