Home / 9,249.11-12,774.29-6,218.96

Finding the Fourth Proportional to 9,249.11, 12,774.29 and 6,218.96

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Solution

The fourth proportional to 9,249.11, 12,774.29 and 6,218.96 is: 8,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.11 : 12,774.29 = 6,218.96 : x
  2. Step 2: Convert to fraction form
    9,249.11/12,774.29 = 6,218.96/x
  3. Step 3: Cross multiply
    9,249.11x = 12,774.29 × 6,218.96
  4. Step 4: Simplify right side
    9,249.11x = 79,442,798.54
  5. Step 5: Solve for x
    x = 79,442,798.54/9,249.11
  6. Step 6: Final answer
    x = 8,589.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.