Home / 5,424.44-8,137.80-3,443.04

Finding the Fourth Proportional to 5,424.44, 8,137.80 and 3,443.04

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Solution

The fourth proportional to 5,424.44, 8,137.80 and 3,443.04 is: 5,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.44 : 8,137.80 = 3,443.04 : x
  2. Step 2: Convert to fraction form
    5,424.44/8,137.80 = 3,443.04/x
  3. Step 3: Cross multiply
    5,424.44x = 8,137.80 × 3,443.04
  4. Step 4: Simplify right side
    5,424.44x = 28,018,770.91
  5. Step 5: Solve for x
    x = 28,018,770.91/5,424.44
  6. Step 6: Final answer
    x = 5,165.29

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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.