Home / 6,249.56-9,374.40-1,867.20

Finding the Fourth Proportional to 6,249.56, 9,374.40 and 1,867.20

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Solution

The fourth proportional to 6,249.56, 9,374.40 and 1,867.20 is: 2,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.56 : 9,374.40 = 1,867.20 : x
  2. Step 2: Convert to fraction form
    6,249.56/9,374.40 = 1,867.20/x
  3. Step 3: Cross multiply
    6,249.56x = 9,374.40 × 1,867.20
  4. Step 4: Simplify right side
    6,249.56x = 17,503,879.68
  5. Step 5: Solve for x
    x = 17,503,879.68/6,249.56
  6. Step 6: Final answer
    x = 2,800.82

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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.