Home / 5,221.44-7,207.40-3,125.56

Finding the Fourth Proportional to 5,221.44, 7,207.40 and 3,125.56

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Solution

The fourth proportional to 5,221.44, 7,207.40 and 3,125.56 is: 4,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.44 : 7,207.40 = 3,125.56 : x
  2. Step 2: Convert to fraction form
    5,221.44/7,207.40 = 3,125.56/x
  3. Step 3: Cross multiply
    5,221.44x = 7,207.40 × 3,125.56
  4. Step 4: Simplify right side
    5,221.44x = 22,527,161.14
  5. Step 5: Solve for x
    x = 22,527,161.14/5,221.44
  6. Step 6: Final answer
    x = 4,314.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.