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Finding the Fourth Proportional to 8,722.71, 13,082.22 and 2,877.93

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Solution

The fourth proportional to 8,722.71, 13,082.22 and 2,877.93 is: 4,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.71 : 13,082.22 = 2,877.93 : x
  2. Step 2: Convert to fraction form
    8,722.71/13,082.22 = 2,877.93/x
  3. Step 3: Cross multiply
    8,722.71x = 13,082.22 × 2,877.93
  4. Step 4: Simplify right side
    8,722.71x = 37,649,713.40
  5. Step 5: Solve for x
    x = 37,649,713.40/8,722.71
  6. Step 6: Final answer
    x = 4,316.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.