Home / 4,940.40-7,408.13-2,165.85

Finding the Fourth Proportional to 4,940.40, 7,408.13 and 2,165.85

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Solution

The fourth proportional to 4,940.40, 7,408.13 and 2,165.85 is: 3,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.40 : 7,408.13 = 2,165.85 : x
  2. Step 2: Convert to fraction form
    4,940.40/7,408.13 = 2,165.85/x
  3. Step 3: Cross multiply
    4,940.40x = 7,408.13 × 2,165.85
  4. Step 4: Simplify right side
    4,940.40x = 16,044,887.53
  5. Step 5: Solve for x
    x = 16,044,887.53/4,940.40
  6. Step 6: Final answer
    x = 3,247.69

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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.