Home / 8,229.25-12,345.66-3,844.30

Finding the Fourth Proportional to 8,229.25, 12,345.66 and 3,844.30

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Solution

The fourth proportional to 8,229.25, 12,345.66 and 3,844.30 is: 5,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.25 : 12,345.66 = 3,844.30 : x
  2. Step 2: Convert to fraction form
    8,229.25/12,345.66 = 3,844.30/x
  3. Step 3: Cross multiply
    8,229.25x = 12,345.66 × 3,844.30
  4. Step 4: Simplify right side
    8,229.25x = 47,460,420.74
  5. Step 5: Solve for x
    x = 47,460,420.74/8,229.25
  6. Step 6: Final answer
    x = 5,767.28

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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.