Home / 4,431.91-6,115.17-3,369.40

Finding the Fourth Proportional to 4,431.91, 6,115.17 and 3,369.40

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Solution

The fourth proportional to 4,431.91, 6,115.17 and 3,369.40 is: 4,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.91 : 6,115.17 = 3,369.40 : x
  2. Step 2: Convert to fraction form
    4,431.91/6,115.17 = 3,369.40/x
  3. Step 3: Cross multiply
    4,431.91x = 6,115.17 × 3,369.40
  4. Step 4: Simplify right side
    4,431.91x = 20,604,453.80
  5. Step 5: Solve for x
    x = 20,604,453.80/4,431.91
  6. Step 6: Final answer
    x = 4,649.11

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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.