Home / 5,009.06-7,514.40-2,087.66

Finding the Fourth Proportional to 5,009.06, 7,514.40 and 2,087.66

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Solution

The fourth proportional to 5,009.06, 7,514.40 and 2,087.66 is: 3,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.06 : 7,514.40 = 2,087.66 : x
  2. Step 2: Convert to fraction form
    5,009.06/7,514.40 = 2,087.66/x
  3. Step 3: Cross multiply
    5,009.06x = 7,514.40 × 2,087.66
  4. Step 4: Simplify right side
    5,009.06x = 15,687,512.30
  5. Step 5: Solve for x
    x = 15,687,512.30/5,009.06
  6. Step 6: Final answer
    x = 3,131.83

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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.