Home / 8,288.66-12,433.56-2,745.91

Finding the Fourth Proportional to 8,288.66, 12,433.56 and 2,745.91

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Solution

The fourth proportional to 8,288.66, 12,433.56 and 2,745.91 is: 4,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.66 : 12,433.56 = 2,745.91 : x
  2. Step 2: Convert to fraction form
    8,288.66/12,433.56 = 2,745.91/x
  3. Step 3: Cross multiply
    8,288.66x = 12,433.56 × 2,745.91
  4. Step 4: Simplify right side
    8,288.66x = 34,141,436.74
  5. Step 5: Solve for x
    x = 34,141,436.74/8,288.66
  6. Step 6: Final answer
    x = 4,119.05

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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.