Home / 8,591.75-12,887.61-2,351.81

Finding the Fourth Proportional to 8,591.75, 12,887.61 and 2,351.81

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Solution

The fourth proportional to 8,591.75, 12,887.61 and 2,351.81 is: 3,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.75 : 12,887.61 = 2,351.81 : x
  2. Step 2: Convert to fraction form
    8,591.75/12,887.61 = 2,351.81/x
  3. Step 3: Cross multiply
    8,591.75x = 12,887.61 × 2,351.81
  4. Step 4: Simplify right side
    8,591.75x = 30,309,242.29
  5. Step 5: Solve for x
    x = 30,309,242.29/8,591.75
  6. Step 6: Final answer
    x = 3,527.72

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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.