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Finding the Fourth Proportional to 5,167.35, 7,130.25 and 3,042.72

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Solution

The fourth proportional to 5,167.35, 7,130.25 and 3,042.72 is: 4,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.35 : 7,130.25 = 3,042.72 : x
  2. Step 2: Convert to fraction form
    5,167.35/7,130.25 = 3,042.72/x
  3. Step 3: Cross multiply
    5,167.35x = 7,130.25 × 3,042.72
  4. Step 4: Simplify right side
    5,167.35x = 21,695,354.28
  5. Step 5: Solve for x
    x = 21,695,354.28/5,167.35
  6. Step 6: Final answer
    x = 4,198.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.