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Finding the Fourth Proportional to 4,839.36, 7,257.48 and 1,375.68

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Solution

The fourth proportional to 4,839.36, 7,257.48 and 1,375.68 is: 2,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.36 : 7,257.48 = 1,375.68 : x
  2. Step 2: Convert to fraction form
    4,839.36/7,257.48 = 1,375.68/x
  3. Step 3: Cross multiply
    4,839.36x = 7,257.48 × 1,375.68
  4. Step 4: Simplify right side
    4,839.36x = 9,983,970.09
  5. Step 5: Solve for x
    x = 9,983,970.09/4,839.36
  6. Step 6: Final answer
    x = 2,063.08

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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.