Home / 7,195.45-10,777.55-3,489.89

Finding the Fourth Proportional to 7,195.45, 10,777.55 and 3,489.89

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Solution

The fourth proportional to 7,195.45, 10,777.55 and 3,489.89 is: 5,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.45 : 10,777.55 = 3,489.89 : x
  2. Step 2: Convert to fraction form
    7,195.45/10,777.55 = 3,489.89/x
  3. Step 3: Cross multiply
    7,195.45x = 10,777.55 × 3,489.89
  4. Step 4: Simplify right side
    7,195.45x = 37,612,472.89
  5. Step 5: Solve for x
    x = 37,612,472.89/7,195.45
  6. Step 6: Final answer
    x = 5,227.26

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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.