Home / 4,012.53-5,531.67-3,225.21

Finding the Fourth Proportional to 4,012.53, 5,531.67 and 3,225.21

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Solution

The fourth proportional to 4,012.53, 5,531.67 and 3,225.21 is: 4,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.53 : 5,531.67 = 3,225.21 : x
  2. Step 2: Convert to fraction form
    4,012.53/5,531.67 = 3,225.21/x
  3. Step 3: Cross multiply
    4,012.53x = 5,531.67 × 3,225.21
  4. Step 4: Simplify right side
    4,012.53x = 17,840,797.40
  5. Step 5: Solve for x
    x = 17,840,797.40/4,012.53
  6. Step 6: Final answer
    x = 4,446.27

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Double scale
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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.