Home / 5,905.38-8,850.57-2,778.51

Finding the Fourth Proportional to 5,905.38, 8,850.57 and 2,778.51

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Solution

The fourth proportional to 5,905.38, 8,850.57 and 2,778.51 is: 4,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.38 : 8,850.57 = 2,778.51 : x
  2. Step 2: Convert to fraction form
    5,905.38/8,850.57 = 2,778.51/x
  3. Step 3: Cross multiply
    5,905.38x = 8,850.57 × 2,778.51
  4. Step 4: Simplify right side
    5,905.38x = 24,591,397.25
  5. Step 5: Solve for x
    x = 24,591,397.25/5,905.38
  6. Step 6: Final answer
    x = 4,164.24

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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.