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Finding the Fourth Proportional to 6,661.44, 9,993.60 and 2,502.72

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Solution

The fourth proportional to 6,661.44, 9,993.60 and 2,502.72 is: 3,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.44 : 9,993.60 = 2,502.72 : x
  2. Step 2: Convert to fraction form
    6,661.44/9,993.60 = 2,502.72/x
  3. Step 3: Cross multiply
    6,661.44x = 9,993.60 × 2,502.72
  4. Step 4: Simplify right side
    6,661.44x = 25,011,182.59
  5. Step 5: Solve for x
    x = 25,011,182.59/6,661.44
  6. Step 6: Final answer
    x = 3,754.62

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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.