Home / 4,892.28-6,749.68-2,767.56

Finding the Fourth Proportional to 4,892.28, 6,749.68 and 2,767.56

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Solution

The fourth proportional to 4,892.28, 6,749.68 and 2,767.56 is: 3,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.28 : 6,749.68 = 2,767.56 : x
  2. Step 2: Convert to fraction form
    4,892.28/6,749.68 = 2,767.56/x
  3. Step 3: Cross multiply
    4,892.28x = 6,749.68 × 2,767.56
  4. Step 4: Simplify right side
    4,892.28x = 18,680,144.38
  5. Step 5: Solve for x
    x = 18,680,144.38/4,892.28
  6. Step 6: Final answer
    x = 3,818.29

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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.