Home / 5,082.79-7,015.08-3,488.12

Finding the Fourth Proportional to 5,082.79, 7,015.08 and 3,488.12

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Solution

The fourth proportional to 5,082.79, 7,015.08 and 3,488.12 is: 4,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.79 : 7,015.08 = 3,488.12 : x
  2. Step 2: Convert to fraction form
    5,082.79/7,015.08 = 3,488.12/x
  3. Step 3: Cross multiply
    5,082.79x = 7,015.08 × 3,488.12
  4. Step 4: Simplify right side
    5,082.79x = 24,469,458.39
  5. Step 5: Solve for x
    x = 24,469,458.39/5,082.79
  6. Step 6: Final answer
    x = 4,814.18

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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.