Home / 7,659.77-11,488.33-2,112.18

Finding the Fourth Proportional to 7,659.77, 11,488.33 and 2,112.18

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Solution

The fourth proportional to 7,659.77, 11,488.33 and 2,112.18 is: 3,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.77 : 11,488.33 = 2,112.18 : x
  2. Step 2: Convert to fraction form
    7,659.77/11,488.33 = 2,112.18/x
  3. Step 3: Cross multiply
    7,659.77x = 11,488.33 × 2,112.18
  4. Step 4: Simplify right side
    7,659.77x = 24,265,380.42
  5. Step 5: Solve for x
    x = 24,265,380.42/7,659.77
  6. Step 6: Final answer
    x = 3,167.90

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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.