Home / 4,845.28-6,686.08-2,749.28

Finding the Fourth Proportional to 4,845.28, 6,686.08 and 2,749.28

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Solution

The fourth proportional to 4,845.28, 6,686.08 and 2,749.28 is: 3,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.28 : 6,686.08 = 2,749.28 : x
  2. Step 2: Convert to fraction form
    4,845.28/6,686.08 = 2,749.28/x
  3. Step 3: Cross multiply
    4,845.28x = 6,686.08 × 2,749.28
  4. Step 4: Simplify right side
    4,845.28x = 18,381,906.02
  5. Step 5: Solve for x
    x = 18,381,906.02/4,845.28
  6. Step 6: Final answer
    x = 3,793.78

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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.