Home / 8,168.81-12,244.55-3,231.63

Finding the Fourth Proportional to 8,168.81, 12,244.55 and 3,231.63

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Solution

The fourth proportional to 8,168.81, 12,244.55 and 3,231.63 is: 4,844.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.81 : 12,244.55 = 3,231.63 : x
  2. Step 2: Convert to fraction form
    8,168.81/12,244.55 = 3,231.63/x
  3. Step 3: Cross multiply
    8,168.81x = 12,244.55 × 3,231.63
  4. Step 4: Simplify right side
    8,168.81x = 39,569,838.96
  5. Step 5: Solve for x
    x = 39,569,838.96/8,168.81
  6. Step 6: Final answer
    x = 4,844.02

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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.