Home / 4,639.95-6,963.17-1,720.71

Finding the Fourth Proportional to 4,639.95, 6,963.17 and 1,720.71

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Solution

The fourth proportional to 4,639.95, 6,963.17 and 1,720.71 is: 2,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.95 : 6,963.17 = 1,720.71 : x
  2. Step 2: Convert to fraction form
    4,639.95/6,963.17 = 1,720.71/x
  3. Step 3: Cross multiply
    4,639.95x = 6,963.17 × 1,720.71
  4. Step 4: Simplify right side
    4,639.95x = 11,981,587.65
  5. Step 5: Solve for x
    x = 11,981,587.65/4,639.95
  6. Step 6: Final answer
    x = 2,582.27

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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.