Home / 7,399.37-10,211.09-4,042.14

Finding the Fourth Proportional to 7,399.37, 10,211.09 and 4,042.14

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Solution

The fourth proportional to 7,399.37, 10,211.09 and 4,042.14 is: 5,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.37 : 10,211.09 = 4,042.14 : x
  2. Step 2: Convert to fraction form
    7,399.37/10,211.09 = 4,042.14/x
  3. Step 3: Cross multiply
    7,399.37x = 10,211.09 × 4,042.14
  4. Step 4: Simplify right side
    7,399.37x = 41,274,635.12
  5. Step 5: Solve for x
    x = 41,274,635.12/7,399.37
  6. Step 6: Final answer
    x = 5,578.13

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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.