Home / 4,908.06-6,772.61-2,919.71

Finding the Fourth Proportional to 4,908.06, 6,772.61 and 2,919.71

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Solution

The fourth proportional to 4,908.06, 6,772.61 and 2,919.71 is: 4,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.06 : 6,772.61 = 2,919.71 : x
  2. Step 2: Convert to fraction form
    4,908.06/6,772.61 = 2,919.71/x
  3. Step 3: Cross multiply
    4,908.06x = 6,772.61 × 2,919.71
  4. Step 4: Simplify right side
    4,908.06x = 19,774,081.37
  5. Step 5: Solve for x
    x = 19,774,081.37/4,908.06
  6. Step 6: Final answer
    x = 4,028.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.