Home / 5,082.46-7,011.57-2,985.64

Finding the Fourth Proportional to 5,082.46, 7,011.57 and 2,985.64

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Solution

The fourth proportional to 5,082.46, 7,011.57 and 2,985.64 is: 4,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.46 : 7,011.57 = 2,985.64 : x
  2. Step 2: Convert to fraction form
    5,082.46/7,011.57 = 2,985.64/x
  3. Step 3: Cross multiply
    5,082.46x = 7,011.57 × 2,985.64
  4. Step 4: Simplify right side
    5,082.46x = 20,934,023.85
  5. Step 5: Solve for x
    x = 20,934,023.85/5,082.46
  6. Step 6: Final answer
    x = 4,118.88

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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.