Home / 6,755.80-9,319.26-3,960.76

Finding the Fourth Proportional to 6,755.80, 9,319.26 and 3,960.76

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Solution

The fourth proportional to 6,755.80, 9,319.26 and 3,960.76 is: 5,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.80 : 9,319.26 = 3,960.76 : x
  2. Step 2: Convert to fraction form
    6,755.80/9,319.26 = 3,960.76/x
  3. Step 3: Cross multiply
    6,755.80x = 9,319.26 × 3,960.76
  4. Step 4: Simplify right side
    6,755.80x = 36,911,352.24
  5. Step 5: Solve for x
    x = 36,911,352.24/6,755.80
  6. Step 6: Final answer
    x = 5,463.65

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Double scale
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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.