Home / 8,181.50-12,261.92-4,433.12

Finding the Fourth Proportional to 8,181.50, 12,261.92 and 4,433.12

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Solution

The fourth proportional to 8,181.50, 12,261.92 and 4,433.12 is: 6,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.50 : 12,261.92 = 4,433.12 : x
  2. Step 2: Convert to fraction form
    8,181.50/12,261.92 = 4,433.12/x
  3. Step 3: Cross multiply
    8,181.50x = 12,261.92 × 4,433.12
  4. Step 4: Simplify right side
    8,181.50x = 54,358,562.79
  5. Step 5: Solve for x
    x = 54,358,562.79/8,181.50
  6. Step 6: Final answer
    x = 6,644.08

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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.