Home / 8,169.47-12,247.29-3,725.55

Finding the Fourth Proportional to 8,169.47, 12,247.29 and 3,725.55

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Solution

The fourth proportional to 8,169.47, 12,247.29 and 3,725.55 is: 5,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.47 : 12,247.29 = 3,725.55 : x
  2. Step 2: Convert to fraction form
    8,169.47/12,247.29 = 3,725.55/x
  3. Step 3: Cross multiply
    8,169.47x = 12,247.29 × 3,725.55
  4. Step 4: Simplify right side
    8,169.47x = 45,627,824.72
  5. Step 5: Solve for x
    x = 45,627,824.72/8,169.47
  6. Step 6: Final answer
    x = 5,585.16

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1.5x scale

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.