Home / 6,143.16-9,216.05-1,983.41

Finding the Fourth Proportional to 6,143.16, 9,216.05 and 1,983.41

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Solution

The fourth proportional to 6,143.16, 9,216.05 and 1,983.41 is: 2,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.16 : 9,216.05 = 1,983.41 : x
  2. Step 2: Convert to fraction form
    6,143.16/9,216.05 = 1,983.41/x
  3. Step 3: Cross multiply
    6,143.16x = 9,216.05 × 1,983.41
  4. Step 4: Simplify right side
    6,143.16x = 18,279,149.73
  5. Step 5: Solve for x
    x = 18,279,149.73/6,143.16
  6. Step 6: Final answer
    x = 2,975.53

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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.