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Finding the Fourth Proportional to 4,251.48, 6,375.48 and 1,477.68

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Solution

The fourth proportional to 4,251.48, 6,375.48 and 1,477.68 is: 2,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.48 : 6,375.48 = 1,477.68 : x
  2. Step 2: Convert to fraction form
    4,251.48/6,375.48 = 1,477.68/x
  3. Step 3: Cross multiply
    4,251.48x = 6,375.48 × 1,477.68
  4. Step 4: Simplify right side
    4,251.48x = 9,420,919.29
  5. Step 5: Solve for x
    x = 9,420,919.29/4,251.48
  6. Step 6: Final answer
    x = 2,215.92

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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.