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Finding the Fourth Proportional to 5,099.42, 7,644.98 and 1,977.82

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Solution

The fourth proportional to 5,099.42, 7,644.98 and 1,977.82 is: 2,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.42 : 7,644.98 = 1,977.82 : x
  2. Step 2: Convert to fraction form
    5,099.42/7,644.98 = 1,977.82/x
  3. Step 3: Cross multiply
    5,099.42x = 7,644.98 × 1,977.82
  4. Step 4: Simplify right side
    5,099.42x = 15,120,380.18
  5. Step 5: Solve for x
    x = 15,120,380.18/5,099.42
  6. Step 6: Final answer
    x = 2,965.12

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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.