Home / 8,379.37-12,568.26-2,832.76

Finding the Fourth Proportional to 8,379.37, 12,568.26 and 2,832.76

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Solution

The fourth proportional to 8,379.37, 12,568.26 and 2,832.76 is: 4,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.37 : 12,568.26 = 2,832.76 : x
  2. Step 2: Convert to fraction form
    8,379.37/12,568.26 = 2,832.76/x
  3. Step 3: Cross multiply
    8,379.37x = 12,568.26 × 2,832.76
  4. Step 4: Simplify right side
    8,379.37x = 35,602,872.86
  5. Step 5: Solve for x
    x = 35,602,872.86/8,379.37
  6. Step 6: Final answer
    x = 4,248.87

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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.