Home / 5,004.28-7,502.38-2,084.78

Finding the Fourth Proportional to 5,004.28, 7,502.38 and 2,084.78

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Solution

The fourth proportional to 5,004.28, 7,502.38 and 2,084.78 is: 3,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.28 : 7,502.38 = 2,084.78 : x
  2. Step 2: Convert to fraction form
    5,004.28/7,502.38 = 2,084.78/x
  3. Step 3: Cross multiply
    5,004.28x = 7,502.38 × 2,084.78
  4. Step 4: Simplify right side
    5,004.28x = 15,640,811.78
  5. Step 5: Solve for x
    x = 15,640,811.78/5,004.28
  6. Step 6: Final answer
    x = 3,125.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.