Home / 6,520.38-9,780.57-2,623.88

Finding the Fourth Proportional to 6,520.38, 9,780.57 and 2,623.88

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Solution

The fourth proportional to 6,520.38, 9,780.57 and 2,623.88 is: 3,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.38 : 9,780.57 = 2,623.88 : x
  2. Step 2: Convert to fraction form
    6,520.38/9,780.57 = 2,623.88/x
  3. Step 3: Cross multiply
    6,520.38x = 9,780.57 × 2,623.88
  4. Step 4: Simplify right side
    6,520.38x = 25,662,993.11
  5. Step 5: Solve for x
    x = 25,662,993.11/6,520.38
  6. Step 6: Final answer
    x = 3,935.81

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Similar ratio
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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.