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Finding the Fourth Proportional to 8,175, 12,266.10 and 2,703

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Solution

The fourth proportional to 8,175, 12,266.10 and 2,703 is: 4,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175 : 12,266.10 = 2,703 : x
  2. Step 2: Convert to fraction form
    8,175/12,266.10 = 2,703/x
  3. Step 3: Cross multiply
    8,175x = 12,266.10 × 2,703
  4. Step 4: Simplify right side
    8,175x = 33,155,268.30
  5. Step 5: Solve for x
    x = 33,155,268.30/8,175
  6. Step 6: Final answer
    x = 4,055.69

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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.