Home / 8,124.67-12,177.18-3,958.45

Finding the Fourth Proportional to 8,124.67, 12,177.18 and 3,958.45

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Solution

The fourth proportional to 8,124.67, 12,177.18 and 3,958.45 is: 5,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.67 : 12,177.18 = 3,958.45 : x
  2. Step 2: Convert to fraction form
    8,124.67/12,177.18 = 3,958.45/x
  3. Step 3: Cross multiply
    8,124.67x = 12,177.18 × 3,958.45
  4. Step 4: Simplify right side
    8,124.67x = 48,202,758.17
  5. Step 5: Solve for x
    x = 48,202,758.17/8,124.67
  6. Step 6: Final answer
    x = 5,932.89

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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.