Home / 5,838.82-8,760.49-2,143.60

Finding the Fourth Proportional to 5,838.82, 8,760.49 and 2,143.60

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Solution

The fourth proportional to 5,838.82, 8,760.49 and 2,143.60 is: 3,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.82 : 8,760.49 = 2,143.60 : x
  2. Step 2: Convert to fraction form
    5,838.82/8,760.49 = 2,143.60/x
  3. Step 3: Cross multiply
    5,838.82x = 8,760.49 × 2,143.60
  4. Step 4: Simplify right side
    5,838.82x = 18,778,959.10
  5. Step 5: Solve for x
    x = 18,778,959.10/5,838.82
  6. Step 6: Final answer
    x = 3,216.23

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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.