Home / 5,351.31-7,385.36-3,082.73

Finding the Fourth Proportional to 5,351.31, 7,385.36 and 3,082.73

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Solution

The fourth proportional to 5,351.31, 7,385.36 and 3,082.73 is: 4,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.31 : 7,385.36 = 3,082.73 : x
  2. Step 2: Convert to fraction form
    5,351.31/7,385.36 = 3,082.73/x
  3. Step 3: Cross multiply
    5,351.31x = 7,385.36 × 3,082.73
  4. Step 4: Simplify right side
    5,351.31x = 22,767,018.49
  5. Step 5: Solve for x
    x = 22,767,018.49/5,351.31
  6. Step 6: Final answer
    x = 4,254.48

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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.