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Finding the Fourth Proportional to 6,143.52, 9,218.16 and 3,020.16

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Solution

The fourth proportional to 6,143.52, 9,218.16 and 3,020.16 is: 4,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.52 : 9,218.16 = 3,020.16 : x
  2. Step 2: Convert to fraction form
    6,143.52/9,218.16 = 3,020.16/x
  3. Step 3: Cross multiply
    6,143.52x = 9,218.16 × 3,020.16
  4. Step 4: Simplify right side
    6,143.52x = 27,840,318.11
  5. Step 5: Solve for x
    x = 27,840,318.11/6,143.52
  6. Step 6: Final answer
    x = 4,531.66

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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.