Home / 4,945.85-6,825.15-2,707.70

Finding the Fourth Proportional to 4,945.85, 6,825.15 and 2,707.70

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Solution

The fourth proportional to 4,945.85, 6,825.15 and 2,707.70 is: 3,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.85 : 6,825.15 = 2,707.70 : x
  2. Step 2: Convert to fraction form
    4,945.85/6,825.15 = 2,707.70/x
  3. Step 3: Cross multiply
    4,945.85x = 6,825.15 × 2,707.70
  4. Step 4: Simplify right side
    4,945.85x = 18,480,445.12
  5. Step 5: Solve for x
    x = 18,480,445.12/4,945.85
  6. Step 6: Final answer
    x = 3,736.56

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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.