Home / 4,990.20-6,886.36-2,752.04

Finding the Fourth Proportional to 4,990.20, 6,886.36 and 2,752.04

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Solution

The fourth proportional to 4,990.20, 6,886.36 and 2,752.04 is: 3,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.20 : 6,886.36 = 2,752.04 : x
  2. Step 2: Convert to fraction form
    4,990.20/6,886.36 = 2,752.04/x
  3. Step 3: Cross multiply
    4,990.20x = 6,886.36 × 2,752.04
  4. Step 4: Simplify right side
    4,990.20x = 18,951,538.17
  5. Step 5: Solve for x
    x = 18,951,538.17/4,990.20
  6. Step 6: Final answer
    x = 3,797.75

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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.