Home / 8,266.79-12,401.24-2,720.69

Finding the Fourth Proportional to 8,266.79, 12,401.24 and 2,720.69

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Solution

The fourth proportional to 8,266.79, 12,401.24 and 2,720.69 is: 4,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.79 : 12,401.24 = 2,720.69 : x
  2. Step 2: Convert to fraction form
    8,266.79/12,401.24 = 2,720.69/x
  3. Step 3: Cross multiply
    8,266.79x = 12,401.24 × 2,720.69
  4. Step 4: Simplify right side
    8,266.79x = 33,739,854.05
  5. Step 5: Solve for x
    x = 33,739,854.05/8,266.79
  6. Step 6: Final answer
    x = 4,081.38

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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.