Home / 8,371.88-12,561.66-4,270.76

Finding the Fourth Proportional to 8,371.88, 12,561.66 and 4,270.76

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Solution

The fourth proportional to 8,371.88, 12,561.66 and 4,270.76 is: 6,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.88 : 12,561.66 = 4,270.76 : x
  2. Step 2: Convert to fraction form
    8,371.88/12,561.66 = 4,270.76/x
  3. Step 3: Cross multiply
    8,371.88x = 12,561.66 × 4,270.76
  4. Step 4: Simplify right side
    8,371.88x = 53,647,835.06
  5. Step 5: Solve for x
    x = 53,647,835.06/8,371.88
  6. Step 6: Final answer
    x = 6,408.10

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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.