Home / 8,171.85-12,258.20-2,624.76

Finding the Fourth Proportional to 8,171.85, 12,258.20 and 2,624.76

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Solution

The fourth proportional to 8,171.85, 12,258.20 and 2,624.76 is: 3,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.85 : 12,258.20 = 2,624.76 : x
  2. Step 2: Convert to fraction form
    8,171.85/12,258.20 = 2,624.76/x
  3. Step 3: Cross multiply
    8,171.85x = 12,258.20 × 2,624.76
  4. Step 4: Simplify right side
    8,171.85x = 32,174,833.03
  5. Step 5: Solve for x
    x = 32,174,833.03/8,171.85
  6. Step 6: Final answer
    x = 3,937.28

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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.