Home / 6,143.22-9,215.38-1,983.32

Finding the Fourth Proportional to 6,143.22, 9,215.38 and 1,983.32

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Solution

The fourth proportional to 6,143.22, 9,215.38 and 1,983.32 is: 2,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.22 : 9,215.38 = 1,983.32 : x
  2. Step 2: Convert to fraction form
    6,143.22/9,215.38 = 1,983.32/x
  3. Step 3: Cross multiply
    6,143.22x = 9,215.38 × 1,983.32
  4. Step 4: Simplify right side
    6,143.22x = 18,277,047.46
  5. Step 5: Solve for x
    x = 18,277,047.46/6,143.22
  6. Step 6: Final answer
    x = 2,975.16

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Similar ratio
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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.