Home / 7,229.05-9,975.76-4,247.44

Finding the Fourth Proportional to 7,229.05, 9,975.76 and 4,247.44

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Solution

The fourth proportional to 7,229.05, 9,975.76 and 4,247.44 is: 5,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.05 : 9,975.76 = 4,247.44 : x
  2. Step 2: Convert to fraction form
    7,229.05/9,975.76 = 4,247.44/x
  3. Step 3: Cross multiply
    7,229.05x = 9,975.76 × 4,247.44
  4. Step 4: Simplify right side
    7,229.05x = 42,371,406.50
  5. Step 5: Solve for x
    x = 42,371,406.50/7,229.05
  6. Step 6: Final answer
    x = 5,861.27

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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.