Home / 8,126.18-12,191.01-2,579.96

Finding the Fourth Proportional to 8,126.18, 12,191.01 and 2,579.96

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Solution

The fourth proportional to 8,126.18, 12,191.01 and 2,579.96 is: 3,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.18 : 12,191.01 = 2,579.96 : x
  2. Step 2: Convert to fraction form
    8,126.18/12,191.01 = 2,579.96/x
  3. Step 3: Cross multiply
    8,126.18x = 12,191.01 × 2,579.96
  4. Step 4: Simplify right side
    8,126.18x = 31,452,318.16
  5. Step 5: Solve for x
    x = 31,452,318.16/8,126.18
  6. Step 6: Final answer
    x = 3,870.49

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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.