Home / 5,600.45-7,728.48-3,082.56

Finding the Fourth Proportional to 5,600.45, 7,728.48 and 3,082.56

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Solution

The fourth proportional to 5,600.45, 7,728.48 and 3,082.56 is: 4,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.45 : 7,728.48 = 3,082.56 : x
  2. Step 2: Convert to fraction form
    5,600.45/7,728.48 = 3,082.56/x
  3. Step 3: Cross multiply
    5,600.45x = 7,728.48 × 3,082.56
  4. Step 4: Simplify right side
    5,600.45x = 23,823,503.31
  5. Step 5: Solve for x
    x = 23,823,503.31/5,600.45
  6. Step 6: Final answer
    x = 4,253.86

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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.