Home / 5,443.20-7,511.22-3,085.44

Finding the Fourth Proportional to 5,443.20, 7,511.22 and 3,085.44

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Solution

The fourth proportional to 5,443.20, 7,511.22 and 3,085.44 is: 4,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.20 : 7,511.22 = 3,085.44 : x
  2. Step 2: Convert to fraction form
    5,443.20/7,511.22 = 3,085.44/x
  3. Step 3: Cross multiply
    5,443.20x = 7,511.22 × 3,085.44
  4. Step 4: Simplify right side
    5,443.20x = 23,175,418.64
  5. Step 5: Solve for x
    x = 23,175,418.64/5,443.20
  6. Step 6: Final answer
    x = 4,257.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.