Home / 5,480.04-7,560.54-3,121.56

Finding the Fourth Proportional to 5,480.04, 7,560.54 and 3,121.56

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Solution

The fourth proportional to 5,480.04, 7,560.54 and 3,121.56 is: 4,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.04 : 7,560.54 = 3,121.56 : x
  2. Step 2: Convert to fraction form
    5,480.04/7,560.54 = 3,121.56/x
  3. Step 3: Cross multiply
    5,480.04x = 7,560.54 × 3,121.56
  4. Step 4: Simplify right side
    5,480.04x = 23,600,679.24
  5. Step 5: Solve for x
    x = 23,600,679.24/5,480.04
  6. Step 6: Final answer
    x = 4,306.66

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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.