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Finding the Fourth Proportional to 8,798.69, 13,199.33 and 2,557.89

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Solution

The fourth proportional to 8,798.69, 13,199.33 and 2,557.89 is: 3,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.69 : 13,199.33 = 2,557.89 : x
  2. Step 2: Convert to fraction form
    8,798.69/13,199.33 = 2,557.89/x
  3. Step 3: Cross multiply
    8,798.69x = 13,199.33 × 2,557.89
  4. Step 4: Simplify right side
    8,798.69x = 33,762,421.42
  5. Step 5: Solve for x
    x = 33,762,421.42/8,798.69
  6. Step 6: Final answer
    x = 3,837.21

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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.