Home / 5,082.45-7,626.91-2,160.75

Finding the Fourth Proportional to 5,082.45, 7,626.91 and 2,160.75

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Solution

The fourth proportional to 5,082.45, 7,626.91 and 2,160.75 is: 3,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.45 : 7,626.91 = 2,160.75 : x
  2. Step 2: Convert to fraction form
    5,082.45/7,626.91 = 2,160.75/x
  3. Step 3: Cross multiply
    5,082.45x = 7,626.91 × 2,160.75
  4. Step 4: Simplify right side
    5,082.45x = 16,479,851.58
  5. Step 5: Solve for x
    x = 16,479,851.58/5,082.45
  6. Step 6: Final answer
    x = 3,242.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.