Home / 8,391.96-12,589.56-2,846.25

Finding the Fourth Proportional to 8,391.96, 12,589.56 and 2,846.25

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Solution

The fourth proportional to 8,391.96, 12,589.56 and 2,846.25 is: 4,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.96 : 12,589.56 = 2,846.25 : x
  2. Step 2: Convert to fraction form
    8,391.96/12,589.56 = 2,846.25/x
  3. Step 3: Cross multiply
    8,391.96x = 12,589.56 × 2,846.25
  4. Step 4: Simplify right side
    8,391.96x = 35,833,035.15
  5. Step 5: Solve for x
    x = 35,833,035.15/8,391.96
  6. Step 6: Final answer
    x = 4,269.92

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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.