Home / 6,632.75-9,153.39-3,648.78

Finding the Fourth Proportional to 6,632.75, 9,153.39 and 3,648.78

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Solution

The fourth proportional to 6,632.75, 9,153.39 and 3,648.78 is: 5,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.75 : 9,153.39 = 3,648.78 : x
  2. Step 2: Convert to fraction form
    6,632.75/9,153.39 = 3,648.78/x
  3. Step 3: Cross multiply
    6,632.75x = 9,153.39 × 3,648.78
  4. Step 4: Simplify right side
    6,632.75x = 33,398,706.36
  5. Step 5: Solve for x
    x = 33,398,706.36/6,632.75
  6. Step 6: Final answer
    x = 5,035.42

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Half scale
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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.