Home / 5,182.97-7,152.50-2,825.12

Finding the Fourth Proportional to 5,182.97, 7,152.50 and 2,825.12

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Solution

The fourth proportional to 5,182.97, 7,152.50 and 2,825.12 is: 3,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.97 : 7,152.50 = 2,825.12 : x
  2. Step 2: Convert to fraction form
    5,182.97/7,152.50 = 2,825.12/x
  3. Step 3: Cross multiply
    5,182.97x = 7,152.50 × 2,825.12
  4. Step 4: Simplify right side
    5,182.97x = 20,206,642.10
  5. Step 5: Solve for x
    x = 20,206,642.10/5,182.97
  6. Step 6: Final answer
    x = 3,898.66

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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.