Home / 4,947.35-7,421.01-1,249.86

Finding the Fourth Proportional to 4,947.35, 7,421.01 and 1,249.86

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Solution

The fourth proportional to 4,947.35, 7,421.01 and 1,249.86 is: 1,874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.35 : 7,421.01 = 1,249.86 : x
  2. Step 2: Convert to fraction form
    4,947.35/7,421.01 = 1,249.86/x
  3. Step 3: Cross multiply
    4,947.35x = 7,421.01 × 1,249.86
  4. Step 4: Simplify right side
    4,947.35x = 9,275,246.70
  5. Step 5: Solve for x
    x = 9,275,246.70/4,947.35
  6. Step 6: Final answer
    x = 1,874.79

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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.