Home / 5,408.04-8,116.62-2,123.44

Finding the Fourth Proportional to 5,408.04, 8,116.62 and 2,123.44

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Solution

The fourth proportional to 5,408.04, 8,116.62 and 2,123.44 is: 3,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.04 : 8,116.62 = 2,123.44 : x
  2. Step 2: Convert to fraction form
    5,408.04/8,116.62 = 2,123.44/x
  3. Step 3: Cross multiply
    5,408.04x = 8,116.62 × 2,123.44
  4. Step 4: Simplify right side
    5,408.04x = 17,235,155.57
  5. Step 5: Solve for x
    x = 17,235,155.57/5,408.04
  6. Step 6: Final answer
    x = 3,186.95

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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.