Home / 5,178.42-7,146.27-3,082.14

Finding the Fourth Proportional to 5,178.42, 7,146.27 and 3,082.14

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Solution

The fourth proportional to 5,178.42, 7,146.27 and 3,082.14 is: 4,253.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.42 : 7,146.27 = 3,082.14 : x
  2. Step 2: Convert to fraction form
    5,178.42/7,146.27 = 3,082.14/x
  3. Step 3: Cross multiply
    5,178.42x = 7,146.27 × 3,082.14
  4. Step 4: Simplify right side
    5,178.42x = 22,025,804.62
  5. Step 5: Solve for x
    x = 22,025,804.62/5,178.42
  6. Step 6: Final answer
    x = 4,253.38

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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.