Home / 5,475.28-7,556.20-3,379.44

Finding the Fourth Proportional to 5,475.28, 7,556.20 and 3,379.44

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Solution

The fourth proportional to 5,475.28, 7,556.20 and 3,379.44 is: 4,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.28 : 7,556.20 = 3,379.44 : x
  2. Step 2: Convert to fraction form
    5,475.28/7,556.20 = 3,379.44/x
  3. Step 3: Cross multiply
    5,475.28x = 7,556.20 × 3,379.44
  4. Step 4: Simplify right side
    5,475.28x = 25,535,724.53
  5. Step 5: Solve for x
    x = 25,535,724.53/5,475.28
  6. Step 6: Final answer
    x = 4,663.82

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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.