Home / 5,857.69-8,083.61-3,205.13

Finding the Fourth Proportional to 5,857.69, 8,083.61 and 3,205.13

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Solution

The fourth proportional to 5,857.69, 8,083.61 and 3,205.13 is: 4,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.69 : 8,083.61 = 3,205.13 : x
  2. Step 2: Convert to fraction form
    5,857.69/8,083.61 = 3,205.13/x
  3. Step 3: Cross multiply
    5,857.69x = 8,083.61 × 3,205.13
  4. Step 4: Simplify right side
    5,857.69x = 25,908,976.49
  5. Step 5: Solve for x
    x = 25,908,976.49/5,857.69
  6. Step 6: Final answer
    x = 4,423.07

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1.5x scale

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.