Home / 4,949.30-7,419.85-2,607.99

Finding the Fourth Proportional to 4,949.30, 7,419.85 and 2,607.99

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Solution

The fourth proportional to 4,949.30, 7,419.85 and 2,607.99 is: 3,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.30 : 7,419.85 = 2,607.99 : x
  2. Step 2: Convert to fraction form
    4,949.30/7,419.85 = 2,607.99/x
  3. Step 3: Cross multiply
    4,949.30x = 7,419.85 × 2,607.99
  4. Step 4: Simplify right side
    4,949.30x = 19,350,881.56
  5. Step 5: Solve for x
    x = 19,350,881.56/4,949.30
  6. Step 6: Final answer
    x = 3,909.83

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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.