Home / 7,945.11-10,965.56-4,409.46

Finding the Fourth Proportional to 7,945.11, 10,965.56 and 4,409.46

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Solution

The fourth proportional to 7,945.11, 10,965.56 and 4,409.46 is: 6,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.11 : 10,965.56 = 4,409.46 : x
  2. Step 2: Convert to fraction form
    7,945.11/10,965.56 = 4,409.46/x
  3. Step 3: Cross multiply
    7,945.11x = 10,965.56 × 4,409.46
  4. Step 4: Simplify right side
    7,945.11x = 48,352,198.20
  5. Step 5: Solve for x
    x = 48,352,198.20/7,945.11
  6. Step 6: Final answer
    x = 6,085.78

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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.