Home / 4,121.50-5,688.46-3,223.46

Finding the Fourth Proportional to 4,121.50, 5,688.46 and 3,223.46

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Solution

The fourth proportional to 4,121.50, 5,688.46 and 3,223.46 is: 4,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.50 : 5,688.46 = 3,223.46 : x
  2. Step 2: Convert to fraction form
    4,121.50/5,688.46 = 3,223.46/x
  3. Step 3: Cross multiply
    4,121.50x = 5,688.46 × 3,223.46
  4. Step 4: Simplify right side
    4,121.50x = 18,336,523.27
  5. Step 5: Solve for x
    x = 18,336,523.27/4,121.50
  6. Step 6: Final answer
    x = 4,448.99

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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.