Home / 4,248.22-6,371.62-1,128.42

Finding the Fourth Proportional to 4,248.22, 6,371.62 and 1,128.42

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Solution

The fourth proportional to 4,248.22, 6,371.62 and 1,128.42 is: 1,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,248.22 : 6,371.62 = 1,128.42 : x
  2. Step 2: Convert to fraction form
    4,248.22/6,371.62 = 1,128.42/x
  3. Step 3: Cross multiply
    4,248.22x = 6,371.62 × 1,128.42
  4. Step 4: Simplify right side
    4,248.22x = 7,189,863.44
  5. Step 5: Solve for x
    x = 7,189,863.44/4,248.22
  6. Step 6: Final answer
    x = 1,692.44

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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.