Home / 4,945.49-7,402.75-2,747.15

Finding the Fourth Proportional to 4,945.49, 7,402.75 and 2,747.15

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Solution

The fourth proportional to 4,945.49, 7,402.75 and 2,747.15 is: 4,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.49 : 7,402.75 = 2,747.15 : x
  2. Step 2: Convert to fraction form
    4,945.49/7,402.75 = 2,747.15/x
  3. Step 3: Cross multiply
    4,945.49x = 7,402.75 × 2,747.15
  4. Step 4: Simplify right side
    4,945.49x = 20,336,420.78
  5. Step 5: Solve for x
    x = 20,336,420.78/4,945.49
  6. Step 6: Final answer
    x = 4,112.12

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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.