Home / 4,945.28-6,824.40-2,707.08

Finding the Fourth Proportional to 4,945.28, 6,824.40 and 2,707.08

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Solution

The fourth proportional to 4,945.28, 6,824.40 and 2,707.08 is: 3,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.28 : 6,824.40 = 2,707.08 : x
  2. Step 2: Convert to fraction form
    4,945.28/6,824.40 = 2,707.08/x
  3. Step 3: Cross multiply
    4,945.28x = 6,824.40 × 2,707.08
  4. Step 4: Simplify right side
    4,945.28x = 18,474,196.75
  5. Step 5: Solve for x
    x = 18,474,196.75/4,945.28
  6. Step 6: Final answer
    x = 3,735.73

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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.