Home / 4,108.72-6,144.78-3,649.48

Finding the Fourth Proportional to 4,108.72, 6,144.78 and 3,649.48

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Solution

The fourth proportional to 4,108.72, 6,144.78 and 3,649.48 is: 5,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.72 : 6,144.78 = 3,649.48 : x
  2. Step 2: Convert to fraction form
    4,108.72/6,144.78 = 3,649.48/x
  3. Step 3: Cross multiply
    4,108.72x = 6,144.78 × 3,649.48
  4. Step 4: Simplify right side
    4,108.72x = 22,425,251.71
  5. Step 5: Solve for x
    x = 22,425,251.71/4,108.72
  6. Step 6: Final answer
    x = 5,457.97

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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.