Home / 8,207.66-12,313.29-2,661.56

Finding the Fourth Proportional to 8,207.66, 12,313.29 and 2,661.56

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Solution

The fourth proportional to 8,207.66, 12,313.29 and 2,661.56 is: 3,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.66 : 12,313.29 = 2,661.56 : x
  2. Step 2: Convert to fraction form
    8,207.66/12,313.29 = 2,661.56/x
  3. Step 3: Cross multiply
    8,207.66x = 12,313.29 × 2,661.56
  4. Step 4: Simplify right side
    8,207.66x = 32,772,560.13
  5. Step 5: Solve for x
    x = 32,772,560.13/8,207.66
  6. Step 6: Final answer
    x = 3,992.92

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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.