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Finding the Fourth Proportional to 4,064.40, 5,581.02 and 3,272.40

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Solution

The fourth proportional to 4,064.40, 5,581.02 and 3,272.40 is: 4,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,064.40 : 5,581.02 = 3,272.40 : x
  2. Step 2: Convert to fraction form
    4,064.40/5,581.02 = 3,272.40/x
  3. Step 3: Cross multiply
    4,064.40x = 5,581.02 × 3,272.40
  4. Step 4: Simplify right side
    4,064.40x = 18,263,329.85
  5. Step 5: Solve for x
    x = 18,263,329.85/4,064.40
  6. Step 6: Final answer
    x = 4,493.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.