Home / 7,399.66-10,211.36-4,042.49

Finding the Fourth Proportional to 7,399.66, 10,211.36 and 4,042.49

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Solution

The fourth proportional to 7,399.66, 10,211.36 and 4,042.49 is: 5,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.66 : 10,211.36 = 4,042.49 : x
  2. Step 2: Convert to fraction form
    7,399.66/10,211.36 = 4,042.49/x
  3. Step 3: Cross multiply
    7,399.66x = 10,211.36 × 4,042.49
  4. Step 4: Simplify right side
    7,399.66x = 41,279,269.63
  5. Step 5: Solve for x
    x = 41,279,269.63/7,399.66
  6. Step 6: Final answer
    x = 5,578.54

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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.