Home / 7,380.18-11,062.88-3,434.22

Finding the Fourth Proportional to 7,380.18, 11,062.88 and 3,434.22

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Solution

The fourth proportional to 7,380.18, 11,062.88 and 3,434.22 is: 5,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.18 : 11,062.88 = 3,434.22 : x
  2. Step 2: Convert to fraction form
    7,380.18/11,062.88 = 3,434.22/x
  3. Step 3: Cross multiply
    7,380.18x = 11,062.88 × 3,434.22
  4. Step 4: Simplify right side
    7,380.18x = 37,992,363.75
  5. Step 5: Solve for x
    x = 37,992,363.75/7,380.18
  6. Step 6: Final answer
    x = 5,147.89

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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.