Home / 8,126.22-12,191.01-2,579.45

Finding the Fourth Proportional to 8,126.22, 12,191.01 and 2,579.45

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Solution

The fourth proportional to 8,126.22, 12,191.01 and 2,579.45 is: 3,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.22 : 12,191.01 = 2,579.45 : x
  2. Step 2: Convert to fraction form
    8,126.22/12,191.01 = 2,579.45/x
  3. Step 3: Cross multiply
    8,126.22x = 12,191.01 × 2,579.45
  4. Step 4: Simplify right side
    8,126.22x = 31,446,030.12
  5. Step 5: Solve for x
    x = 31,446,030.12/8,126.22
  6. Step 6: Final answer
    x = 3,869.70

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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.