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Finding the Fourth Proportional to 6,531.01, 9,009.78 and 3,876.91

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Solution

The fourth proportional to 6,531.01, 9,009.78 and 3,876.91 is: 5,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.01 : 9,009.78 = 3,876.91 : x
  2. Step 2: Convert to fraction form
    6,531.01/9,009.78 = 3,876.91/x
  3. Step 3: Cross multiply
    6,531.01x = 9,009.78 × 3,876.91
  4. Step 4: Simplify right side
    6,531.01x = 34,930,106.18
  5. Step 5: Solve for x
    x = 34,930,106.18/6,531.01
  6. Step 6: Final answer
    x = 5,348.35

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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.