Home / 7,399.77-10,211.37-4,042.42

Finding the Fourth Proportional to 7,399.77, 10,211.37 and 4,042.42

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Solution

The fourth proportional to 7,399.77, 10,211.37 and 4,042.42 is: 5,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.77 : 10,211.37 = 4,042.42 : x
  2. Step 2: Convert to fraction form
    7,399.77/10,211.37 = 4,042.42/x
  3. Step 3: Cross multiply
    7,399.77x = 10,211.37 × 4,042.42
  4. Step 4: Simplify right side
    7,399.77x = 41,278,663.07
  5. Step 5: Solve for x
    x = 41,278,663.07/7,399.77
  6. Step 6: Final answer
    x = 5,578.37

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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.