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Finding the Fourth Proportional to 5,878.86, 8,818.19 and 2,368.78

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Solution

The fourth proportional to 5,878.86, 8,818.19 and 2,368.78 is: 3,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.86 : 8,818.19 = 2,368.78 : x
  2. Step 2: Convert to fraction form
    5,878.86/8,818.19 = 2,368.78/x
  3. Step 3: Cross multiply
    5,878.86x = 8,818.19 × 2,368.78
  4. Step 4: Simplify right side
    5,878.86x = 20,888,324.14
  5. Step 5: Solve for x
    x = 20,888,324.14/5,878.86
  6. Step 6: Final answer
    x = 3,553.13

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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.