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Finding the Fourth Proportional to 6,371.64, 9,555.03 and 1,928.38

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Solution

The fourth proportional to 6,371.64, 9,555.03 and 1,928.38 is: 2,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.64 : 9,555.03 = 1,928.38 : x
  2. Step 2: Convert to fraction form
    6,371.64/9,555.03 = 1,928.38/x
  3. Step 3: Cross multiply
    6,371.64x = 9,555.03 × 1,928.38
  4. Step 4: Simplify right side
    6,371.64x = 18,425,728.75
  5. Step 5: Solve for x
    x = 18,425,728.75/6,371.64
  6. Step 6: Final answer
    x = 2,891.83

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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.