Home / 4,424.82-6,639.38-2,782.14

Finding the Fourth Proportional to 4,424.82, 6,639.38 and 2,782.14

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Solution

The fourth proportional to 4,424.82, 6,639.38 and 2,782.14 is: 4,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.82 : 6,639.38 = 2,782.14 : x
  2. Step 2: Convert to fraction form
    4,424.82/6,639.38 = 2,782.14/x
  3. Step 3: Cross multiply
    4,424.82x = 6,639.38 × 2,782.14
  4. Step 4: Simplify right side
    4,424.82x = 18,471,684.67
  5. Step 5: Solve for x
    x = 18,471,684.67/4,424.82
  6. Step 6: Final answer
    x = 4,174.56

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1.5x scale

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.