Home / 8,118.03-12,175.83-2,570.66

Finding the Fourth Proportional to 8,118.03, 12,175.83 and 2,570.66

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Solution

The fourth proportional to 8,118.03, 12,175.83 and 2,570.66 is: 3,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.03 : 12,175.83 = 2,570.66 : x
  2. Step 2: Convert to fraction form
    8,118.03/12,175.83 = 2,570.66/x
  3. Step 3: Cross multiply
    8,118.03x = 12,175.83 × 2,570.66
  4. Step 4: Simplify right side
    8,118.03x = 31,299,845.42
  5. Step 5: Solve for x
    x = 31,299,845.42/8,118.03
  6. Step 6: Final answer
    x = 3,855.60

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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.