Home / 4,418.75-6,628.13-1,340.75

Finding the Fourth Proportional to 4,418.75, 6,628.13 and 1,340.75

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Solution

The fourth proportional to 4,418.75, 6,628.13 and 1,340.75 is: 2,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.75 : 6,628.13 = 1,340.75 : x
  2. Step 2: Convert to fraction form
    4,418.75/6,628.13 = 1,340.75/x
  3. Step 3: Cross multiply
    4,418.75x = 6,628.13 × 1,340.75
  4. Step 4: Simplify right side
    4,418.75x = 8,886,658.59
  5. Step 5: Solve for x
    x = 8,886,658.59/4,418.75
  6. Step 6: Final answer
    x = 2,011.13

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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.