Home / 7,385.34-11,079.84-2,191.22

Finding the Fourth Proportional to 7,385.34, 11,079.84 and 2,191.22

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Solution

The fourth proportional to 7,385.34, 11,079.84 and 2,191.22 is: 3,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.34 : 11,079.84 = 2,191.22 : x
  2. Step 2: Convert to fraction form
    7,385.34/11,079.84 = 2,191.22/x
  3. Step 3: Cross multiply
    7,385.34x = 11,079.84 × 2,191.22
  4. Step 4: Simplify right side
    7,385.34x = 24,278,349.05
  5. Step 5: Solve for x
    x = 24,278,349.05/7,385.34
  6. Step 6: Final answer
    x = 3,287.37

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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.