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Finding the Fourth Proportional to 8,904.86, 13,353.20 and 2,578.29

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Solution

The fourth proportional to 8,904.86, 13,353.20 and 2,578.29 is: 3,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.86 : 13,353.20 = 2,578.29 : x
  2. Step 2: Convert to fraction form
    8,904.86/13,353.20 = 2,578.29/x
  3. Step 3: Cross multiply
    8,904.86x = 13,353.20 × 2,578.29
  4. Step 4: Simplify right side
    8,904.86x = 34,428,422.03
  5. Step 5: Solve for x
    x = 34,428,422.03/8,904.86
  6. Step 6: Final answer
    x = 3,866.25

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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.