Home / 5,249.80-7,874.70-3,500.20

Finding the Fourth Proportional to 5,249.80, 7,874.70 and 3,500.20

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Solution

The fourth proportional to 5,249.80, 7,874.70 and 3,500.20 is: 5,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.80 : 7,874.70 = 3,500.20 : x
  2. Step 2: Convert to fraction form
    5,249.80/7,874.70 = 3,500.20/x
  3. Step 3: Cross multiply
    5,249.80x = 7,874.70 × 3,500.20
  4. Step 4: Simplify right side
    5,249.80x = 27,563,024.94
  5. Step 5: Solve for x
    x = 27,563,024.94/5,249.80
  6. Step 6: Final answer
    x = 5,250.30

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Double scale
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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.