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Finding the Fourth Proportional to 8,699.60, 13,050.13 and 2,777.34

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Solution

The fourth proportional to 8,699.60, 13,050.13 and 2,777.34 is: 4,166.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.60 : 13,050.13 = 2,777.34 : x
  2. Step 2: Convert to fraction form
    8,699.60/13,050.13 = 2,777.34/x
  3. Step 3: Cross multiply
    8,699.60x = 13,050.13 × 2,777.34
  4. Step 4: Simplify right side
    8,699.60x = 36,244,648.05
  5. Step 5: Solve for x
    x = 36,244,648.05/8,699.60
  6. Step 6: Final answer
    x = 4,166.24

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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.