Home / 7,387.12-11,087.97-3,494.26

Finding the Fourth Proportional to 7,387.12, 11,087.97 and 3,494.26

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Solution

The fourth proportional to 7,387.12, 11,087.97 and 3,494.26 is: 5,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.12 : 11,087.97 = 3,494.26 : x
  2. Step 2: Convert to fraction form
    7,387.12/11,087.97 = 3,494.26/x
  3. Step 3: Cross multiply
    7,387.12x = 11,087.97 × 3,494.26
  4. Step 4: Simplify right side
    7,387.12x = 38,744,250.05
  5. Step 5: Solve for x
    x = 38,744,250.05/7,387.12
  6. Step 6: Final answer
    x = 5,244.84

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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.