Home / 8,131.51-12,197.25-2,288.12

Finding the Fourth Proportional to 8,131.51, 12,197.25 and 2,288.12

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Solution

The fourth proportional to 8,131.51, 12,197.25 and 2,288.12 is: 3,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.51 : 12,197.25 = 2,288.12 : x
  2. Step 2: Convert to fraction form
    8,131.51/12,197.25 = 2,288.12/x
  3. Step 3: Cross multiply
    8,131.51x = 12,197.25 × 2,288.12
  4. Step 4: Simplify right side
    8,131.51x = 27,908,771.67
  5. Step 5: Solve for x
    x = 27,908,771.67/8,131.51
  6. Step 6: Final answer
    x = 3,432.18

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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.