Home / 5,182.47-7,767.21-4,082.49

Finding the Fourth Proportional to 5,182.47, 7,767.21 and 4,082.49

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Solution

The fourth proportional to 5,182.47, 7,767.21 and 4,082.49 is: 6,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.47 : 7,767.21 = 4,082.49 : x
  2. Step 2: Convert to fraction form
    5,182.47/7,767.21 = 4,082.49/x
  3. Step 3: Cross multiply
    5,182.47x = 7,767.21 × 4,082.49
  4. Step 4: Simplify right side
    5,182.47x = 31,709,557.15
  5. Step 5: Solve for x
    x = 31,709,557.15/5,182.47
  6. Step 6: Final answer
    x = 6,118.62

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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.