Home / 4,991.28-6,887.91-2,753.34

Finding the Fourth Proportional to 4,991.28, 6,887.91 and 2,753.34

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Solution

The fourth proportional to 4,991.28, 6,887.91 and 2,753.34 is: 3,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.28 : 6,887.91 = 2,753.34 : x
  2. Step 2: Convert to fraction form
    4,991.28/6,887.91 = 2,753.34/x
  3. Step 3: Cross multiply
    4,991.28x = 6,887.91 × 2,753.34
  4. Step 4: Simplify right side
    4,991.28x = 18,964,758.12
  5. Step 5: Solve for x
    x = 18,964,758.12/4,991.28
  6. Step 6: Final answer
    x = 3,799.58

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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.