Home / 4,338.90-6,508.60-1,219.15

Finding the Fourth Proportional to 4,338.90, 6,508.60 and 1,219.15

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Solution

The fourth proportional to 4,338.90, 6,508.60 and 1,219.15 is: 1,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.90 : 6,508.60 = 1,219.15 : x
  2. Step 2: Convert to fraction form
    4,338.90/6,508.60 = 1,219.15/x
  3. Step 3: Cross multiply
    4,338.90x = 6,508.60 × 1,219.15
  4. Step 4: Simplify right side
    4,338.90x = 7,934,942.66
  5. Step 5: Solve for x
    x = 7,934,942.66/4,338.90
  6. Step 6: Final answer
    x = 1,828.79

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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.