Home / 7,385.92-11,080.69-2,191.79

Finding the Fourth Proportional to 7,385.92, 11,080.69 and 2,191.79

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Solution

The fourth proportional to 7,385.92, 11,080.69 and 2,191.79 is: 3,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.92 : 11,080.69 = 2,191.79 : x
  2. Step 2: Convert to fraction form
    7,385.92/11,080.69 = 2,191.79/x
  3. Step 3: Cross multiply
    7,385.92x = 11,080.69 × 2,191.79
  4. Step 4: Simplify right side
    7,385.92x = 24,286,567.76
  5. Step 5: Solve for x
    x = 24,286,567.76/7,385.92
  6. Step 6: Final answer
    x = 3,288.23

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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.