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Finding the Fourth Proportional to 6,252.61, 9,378.19 and 1,635.97

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Solution

The fourth proportional to 6,252.61, 9,378.19 and 1,635.97 is: 2,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,252.61 : 9,378.19 = 1,635.97 : x
  2. Step 2: Convert to fraction form
    6,252.61/9,378.19 = 1,635.97/x
  3. Step 3: Cross multiply
    6,252.61x = 9,378.19 × 1,635.97
  4. Step 4: Simplify right side
    6,252.61x = 15,342,437.49
  5. Step 5: Solve for x
    x = 15,342,437.49/6,252.61
  6. Step 6: Final answer
    x = 2,453.77

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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.