Home / 7,355.97-10,150.81-3,998.75

Finding the Fourth Proportional to 7,355.97, 10,150.81 and 3,998.75

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Solution

The fourth proportional to 7,355.97, 10,150.81 and 3,998.75 is: 5,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.97 : 10,150.81 = 3,998.75 : x
  2. Step 2: Convert to fraction form
    7,355.97/10,150.81 = 3,998.75/x
  3. Step 3: Cross multiply
    7,355.97x = 10,150.81 × 3,998.75
  4. Step 4: Simplify right side
    7,355.97x = 40,590,531.49
  5. Step 5: Solve for x
    x = 40,590,531.49/7,355.97
  6. Step 6: Final answer
    x = 5,518.04

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.