Home / 7,082.97-9,776.79-6,335.61

Finding the Fourth Proportional to 7,082.97, 9,776.79 and 6,335.61

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Solution

The fourth proportional to 7,082.97, 9,776.79 and 6,335.61 is: 8,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.97 : 9,776.79 = 6,335.61 : x
  2. Step 2: Convert to fraction form
    7,082.97/9,776.79 = 6,335.61/x
  3. Step 3: Cross multiply
    7,082.97x = 9,776.79 × 6,335.61
  4. Step 4: Simplify right side
    7,082.97x = 61,941,928.49
  5. Step 5: Solve for x
    x = 61,941,928.49/7,082.97
  6. Step 6: Final answer
    x = 8,745.19

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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.