Home / 7,385.64-11,080.62-2,191.65

Finding the Fourth Proportional to 7,385.64, 11,080.62 and 2,191.65

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Solution

The fourth proportional to 7,385.64, 11,080.62 and 2,191.65 is: 3,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.64 : 11,080.62 = 2,191.65 : x
  2. Step 2: Convert to fraction form
    7,385.64/11,080.62 = 2,191.65/x
  3. Step 3: Cross multiply
    7,385.64x = 11,080.62 × 2,191.65
  4. Step 4: Simplify right side
    7,385.64x = 24,284,840.82
  5. Step 5: Solve for x
    x = 24,284,840.82/7,385.64
  6. Step 6: Final answer
    x = 3,288.12

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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.