Home / 8,987.06-13,470.87-3,725.57

Finding the Fourth Proportional to 8,987.06, 13,470.87 and 3,725.57

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Solution

The fourth proportional to 8,987.06, 13,470.87 and 3,725.57 is: 5,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.06 : 13,470.87 = 3,725.57 : x
  2. Step 2: Convert to fraction form
    8,987.06/13,470.87 = 3,725.57/x
  3. Step 3: Cross multiply
    8,987.06x = 13,470.87 × 3,725.57
  4. Step 4: Simplify right side
    8,987.06x = 50,186,669.15
  5. Step 5: Solve for x
    x = 50,186,669.15/8,987.06
  6. Step 6: Final answer
    x = 5,584.33

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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.