Home / 5,082.90-7,627.17-2,485.86

Finding the Fourth Proportional to 5,082.90, 7,627.17 and 2,485.86

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Solution

The fourth proportional to 5,082.90, 7,627.17 and 2,485.86 is: 3,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.90 : 7,627.17 = 2,485.86 : x
  2. Step 2: Convert to fraction form
    5,082.90/7,627.17 = 2,485.86/x
  3. Step 3: Cross multiply
    5,082.90x = 7,627.17 × 2,485.86
  4. Step 4: Simplify right side
    5,082.90x = 18,960,076.82
  5. Step 5: Solve for x
    x = 18,960,076.82/5,082.90
  6. Step 6: Final answer
    x = 3,730.17

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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.