Home / 4,002.08-5,531.10-3,606.80

Finding the Fourth Proportional to 4,002.08, 5,531.10 and 3,606.80

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Solution

The fourth proportional to 4,002.08, 5,531.10 and 3,606.80 is: 4,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.08 : 5,531.10 = 3,606.80 : x
  2. Step 2: Convert to fraction form
    4,002.08/5,531.10 = 3,606.80/x
  3. Step 3: Cross multiply
    4,002.08x = 5,531.10 × 3,606.80
  4. Step 4: Simplify right side
    4,002.08x = 19,949,571.48
  5. Step 5: Solve for x
    x = 19,949,571.48/4,002.08
  6. Step 6: Final answer
    x = 4,984.80

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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.