Home / 4,122.50-5,689.96-3,224.46

Finding the Fourth Proportional to 4,122.50, 5,689.96 and 3,224.46

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Solution

The fourth proportional to 4,122.50, 5,689.96 and 3,224.46 is: 4,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.50 : 5,689.96 = 3,224.46 : x
  2. Step 2: Convert to fraction form
    4,122.50/5,689.96 = 3,224.46/x
  3. Step 3: Cross multiply
    4,122.50x = 5,689.96 × 3,224.46
  4. Step 4: Simplify right side
    4,122.50x = 18,347,048.42
  5. Step 5: Solve for x
    x = 18,347,048.42/4,122.50
  6. Step 6: Final answer
    x = 4,450.47

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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.