Home / 5,249.00-7,874.21-1,551.28

Finding the Fourth Proportional to 5,249.00, 7,874.21 and 1,551.28

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Solution

The fourth proportional to 5,249.00, 7,874.21 and 1,551.28 is: 2,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.00 : 7,874.21 = 1,551.28 : x
  2. Step 2: Convert to fraction form
    5,249.00/7,874.21 = 1,551.28/x
  3. Step 3: Cross multiply
    5,249.00x = 7,874.21 × 1,551.28
  4. Step 4: Simplify right side
    5,249.00x = 12,215,081.30
  5. Step 5: Solve for x
    x = 12,215,081.30/5,249.00
  6. Step 6: Final answer
    x = 2,327.12

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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.