Home / 5,408.01-8,116.58-2,123.41

Finding the Fourth Proportional to 5,408.01, 8,116.58 and 2,123.41

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Solution

The fourth proportional to 5,408.01, 8,116.58 and 2,123.41 is: 3,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.01 : 8,116.58 = 2,123.41 : x
  2. Step 2: Convert to fraction form
    5,408.01/8,116.58 = 2,123.41/x
  3. Step 3: Cross multiply
    5,408.01x = 8,116.58 × 2,123.41
  4. Step 4: Simplify right side
    5,408.01x = 17,234,827.14
  5. Step 5: Solve for x
    x = 17,234,827.14/5,408.01
  6. Step 6: Final answer
    x = 3,186.91

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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.