Home / 4,340.82-6,511.20-1,418.46

Finding the Fourth Proportional to 4,340.82, 6,511.20 and 1,418.46

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Solution

The fourth proportional to 4,340.82, 6,511.20 and 1,418.46 is: 2,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.82 : 6,511.20 = 1,418.46 : x
  2. Step 2: Convert to fraction form
    4,340.82/6,511.20 = 1,418.46/x
  3. Step 3: Cross multiply
    4,340.82x = 6,511.20 × 1,418.46
  4. Step 4: Simplify right side
    4,340.82x = 9,235,876.75
  5. Step 5: Solve for x
    x = 9,235,876.75/4,340.82
  6. Step 6: Final answer
    x = 2,127.68

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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.