Home / 4,439.82-6,649.35-3,509.13

Finding the Fourth Proportional to 4,439.82, 6,649.35 and 3,509.13

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Solution

The fourth proportional to 4,439.82, 6,649.35 and 3,509.13 is: 5,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.82 : 6,649.35 = 3,509.13 : x
  2. Step 2: Convert to fraction form
    4,439.82/6,649.35 = 3,509.13/x
  3. Step 3: Cross multiply
    4,439.82x = 6,649.35 × 3,509.13
  4. Step 4: Simplify right side
    4,439.82x = 23,333,433.57
  5. Step 5: Solve for x
    x = 23,333,433.57/4,439.82
  6. Step 6: Final answer
    x = 5,255.49

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Double scale
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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.