Home / 6,535.38-9,805.71-2,640.09

Finding the Fourth Proportional to 6,535.38, 9,805.71 and 2,640.09

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Solution

The fourth proportional to 6,535.38, 9,805.71 and 2,640.09 is: 3,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.38 : 9,805.71 = 2,640.09 : x
  2. Step 2: Convert to fraction form
    6,535.38/9,805.71 = 2,640.09/x
  3. Step 3: Cross multiply
    6,535.38x = 9,805.71 × 2,640.09
  4. Step 4: Simplify right side
    6,535.38x = 25,887,988.74
  5. Step 5: Solve for x
    x = 25,887,988.74/6,535.38
  6. Step 6: Final answer
    x = 3,961.20

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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.