Home / 6,143.95-9,217.29-1,983.18

Finding the Fourth Proportional to 6,143.95, 9,217.29 and 1,983.18

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Solution

The fourth proportional to 6,143.95, 9,217.29 and 1,983.18 is: 2,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.95 : 9,217.29 = 1,983.18 : x
  2. Step 2: Convert to fraction form
    6,143.95/9,217.29 = 1,983.18/x
  3. Step 3: Cross multiply
    6,143.95x = 9,217.29 × 1,983.18
  4. Step 4: Simplify right side
    6,143.95x = 18,279,587.18
  5. Step 5: Solve for x
    x = 18,279,587.18/6,143.95
  6. Step 6: Final answer
    x = 2,975.22

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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.