Home / 4,911.30-7,367.10-1,213.53

Finding the Fourth Proportional to 4,911.30, 7,367.10 and 1,213.53

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Solution

The fourth proportional to 4,911.30, 7,367.10 and 1,213.53 is: 1,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.30 : 7,367.10 = 1,213.53 : x
  2. Step 2: Convert to fraction form
    4,911.30/7,367.10 = 1,213.53/x
  3. Step 3: Cross multiply
    4,911.30x = 7,367.10 × 1,213.53
  4. Step 4: Simplify right side
    4,911.30x = 8,940,212.95
  5. Step 5: Solve for x
    x = 8,940,212.95/4,911.30
  6. Step 6: Final answer
    x = 1,820.33

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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.