Home / 8,933.20-13,399.38-4,249.78

Finding the Fourth Proportional to 8,933.20, 13,399.38 and 4,249.78

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Solution

The fourth proportional to 8,933.20, 13,399.38 and 4,249.78 is: 6,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.20 : 13,399.38 = 4,249.78 : x
  2. Step 2: Convert to fraction form
    8,933.20/13,399.38 = 4,249.78/x
  3. Step 3: Cross multiply
    8,933.20x = 13,399.38 × 4,249.78
  4. Step 4: Simplify right side
    8,933.20x = 56,944,417.14
  5. Step 5: Solve for x
    x = 56,944,417.14/8,933.20
  6. Step 6: Final answer
    x = 6,374.47

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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.