Home / 6,143.33-9,216.80-1,983.26

Finding the Fourth Proportional to 6,143.33, 9,216.80 and 1,983.26

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Solution

The fourth proportional to 6,143.33, 9,216.80 and 1,983.26 is: 2,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.33 : 9,216.80 = 1,983.26 : x
  2. Step 2: Convert to fraction form
    6,143.33/9,216.80 = 1,983.26/x
  3. Step 3: Cross multiply
    6,143.33x = 9,216.80 × 1,983.26
  4. Step 4: Simplify right side
    6,143.33x = 18,279,310.77
  5. Step 5: Solve for x
    x = 18,279,310.77/6,143.33
  6. Step 6: Final answer
    x = 2,975.47

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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.