Home / 4,919.08-7,380.80-2,578.53

Finding the Fourth Proportional to 4,919.08, 7,380.80 and 2,578.53

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Solution

The fourth proportional to 4,919.08, 7,380.80 and 2,578.53 is: 3,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.08 : 7,380.80 = 2,578.53 : x
  2. Step 2: Convert to fraction form
    4,919.08/7,380.80 = 2,578.53/x
  3. Step 3: Cross multiply
    4,919.08x = 7,380.80 × 2,578.53
  4. Step 4: Simplify right side
    4,919.08x = 19,031,620.67
  5. Step 5: Solve for x
    x = 19,031,620.67/4,919.08
  6. Step 6: Final answer
    x = 3,868.94

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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.