Home / 5,600.40-7,728.32-3,082.28

Finding the Fourth Proportional to 5,600.40, 7,728.32 and 3,082.28

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Solution

The fourth proportional to 5,600.40, 7,728.32 and 3,082.28 is: 4,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.40 : 7,728.32 = 3,082.28 : x
  2. Step 2: Convert to fraction form
    5,600.40/7,728.32 = 3,082.28/x
  3. Step 3: Cross multiply
    5,600.40x = 7,728.32 × 3,082.28
  4. Step 4: Simplify right side
    5,600.40x = 23,820,846.17
  5. Step 5: Solve for x
    x = 23,820,846.17/5,600.40
  6. Step 6: Final answer
    x = 4,253.42

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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.