Home / 4,083.65-5,638.61-3,137.95

Finding the Fourth Proportional to 4,083.65, 5,638.61 and 3,137.95

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Solution

The fourth proportional to 4,083.65, 5,638.61 and 3,137.95 is: 4,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.65 : 5,638.61 = 3,137.95 : x
  2. Step 2: Convert to fraction form
    4,083.65/5,638.61 = 3,137.95/x
  3. Step 3: Cross multiply
    4,083.65x = 5,638.61 × 3,137.95
  4. Step 4: Simplify right side
    4,083.65x = 17,693,632.37
  5. Step 5: Solve for x
    x = 17,693,632.37/4,083.65
  6. Step 6: Final answer
    x = 4,332.80

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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.