Home / 8,195.78-12,290.94-3,264.10

Finding the Fourth Proportional to 8,195.78, 12,290.94 and 3,264.10

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Solution

The fourth proportional to 8,195.78, 12,290.94 and 3,264.10 is: 4,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.78 : 12,290.94 = 3,264.10 : x
  2. Step 2: Convert to fraction form
    8,195.78/12,290.94 = 3,264.10/x
  3. Step 3: Cross multiply
    8,195.78x = 12,290.94 × 3,264.10
  4. Step 4: Simplify right side
    8,195.78x = 40,118,826.53
  5. Step 5: Solve for x
    x = 40,118,826.53/8,195.78
  6. Step 6: Final answer
    x = 4,895.06

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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.