Home / 5,182.22-7,151.46-2,824.36

Finding the Fourth Proportional to 5,182.22, 7,151.46 and 2,824.36

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Solution

The fourth proportional to 5,182.22, 7,151.46 and 2,824.36 is: 3,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.22 : 7,151.46 = 2,824.36 : x
  2. Step 2: Convert to fraction form
    5,182.22/7,151.46 = 2,824.36/x
  3. Step 3: Cross multiply
    5,182.22x = 7,151.46 × 2,824.36
  4. Step 4: Simplify right side
    5,182.22x = 20,198,317.10
  5. Step 5: Solve for x
    x = 20,198,317.10/5,182.22
  6. Step 6: Final answer
    x = 3,897.62

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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.