Home / 8,175.66-12,261.28-3,493.34

Finding the Fourth Proportional to 8,175.66, 12,261.28 and 3,493.34

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Solution

The fourth proportional to 8,175.66, 12,261.28 and 3,493.34 is: 5,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.66 : 12,261.28 = 3,493.34 : x
  2. Step 2: Convert to fraction form
    8,175.66/12,261.28 = 3,493.34/x
  3. Step 3: Cross multiply
    8,175.66x = 12,261.28 × 3,493.34
  4. Step 4: Simplify right side
    8,175.66x = 42,832,819.88
  5. Step 5: Solve for x
    x = 42,832,819.88/8,175.66
  6. Step 6: Final answer
    x = 5,239.07

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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.