Home / 8,723.46-13,085.19-3,177.12

Finding the Fourth Proportional to 8,723.46, 13,085.19 and 3,177.12

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Solution

The fourth proportional to 8,723.46, 13,085.19 and 3,177.12 is: 4,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.46 : 13,085.19 = 3,177.12 : x
  2. Step 2: Convert to fraction form
    8,723.46/13,085.19 = 3,177.12/x
  3. Step 3: Cross multiply
    8,723.46x = 13,085.19 × 3,177.12
  4. Step 4: Simplify right side
    8,723.46x = 41,573,218.85
  5. Step 5: Solve for x
    x = 41,573,218.85/8,723.46
  6. Step 6: Final answer
    x = 4,765.68

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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.