Home / 5,182.12-7,151.46-2,824.30

Finding the Fourth Proportional to 5,182.12, 7,151.46 and 2,824.30

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Solution

The fourth proportional to 5,182.12, 7,151.46 and 2,824.30 is: 3,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.12 : 7,151.46 = 2,824.30 : x
  2. Step 2: Convert to fraction form
    5,182.12/7,151.46 = 2,824.30/x
  3. Step 3: Cross multiply
    5,182.12x = 7,151.46 × 2,824.30
  4. Step 4: Simplify right side
    5,182.12x = 20,197,868.48
  5. Step 5: Solve for x
    x = 20,197,868.48/5,182.12
  6. Step 6: Final answer
    x = 3,897.61

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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.