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Finding the Fourth Proportional to 8,802.74, 13,191.15 and 3,867.86

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Solution

The fourth proportional to 8,802.74, 13,191.15 and 3,867.86 is: 5,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.74 : 13,191.15 = 3,867.86 : x
  2. Step 2: Convert to fraction form
    8,802.74/13,191.15 = 3,867.86/x
  3. Step 3: Cross multiply
    8,802.74x = 13,191.15 × 3,867.86
  4. Step 4: Simplify right side
    8,802.74x = 51,021,521.44
  5. Step 5: Solve for x
    x = 51,021,521.44/8,802.74
  6. Step 6: Final answer
    x = 5,796.10

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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.