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Finding the Fourth Proportional to 8,699.50, 13,050.11 and 2,459.56

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Solution

The fourth proportional to 8,699.50, 13,050.11 and 2,459.56 is: 3,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.50 : 13,050.11 = 2,459.56 : x
  2. Step 2: Convert to fraction form
    8,699.50/13,050.11 = 2,459.56/x
  3. Step 3: Cross multiply
    8,699.50x = 13,050.11 × 2,459.56
  4. Step 4: Simplify right side
    8,699.50x = 32,097,528.55
  5. Step 5: Solve for x
    x = 32,097,528.55/8,699.50
  6. Step 6: Final answer
    x = 3,689.58

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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.