Home / 7,524.31-11,287.97-5,185.43

Finding the Fourth Proportional to 7,524.31, 11,287.97 and 5,185.43

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Solution

The fourth proportional to 7,524.31, 11,287.97 and 5,185.43 is: 7,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.31 : 11,287.97 = 5,185.43 : x
  2. Step 2: Convert to fraction form
    7,524.31/11,287.97 = 5,185.43/x
  3. Step 3: Cross multiply
    7,524.31x = 11,287.97 × 5,185.43
  4. Step 4: Simplify right side
    7,524.31x = 58,532,952.35
  5. Step 5: Solve for x
    x = 58,532,952.35/7,524.31
  6. Step 6: Final answer
    x = 7,779.18

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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.