Home / 7,399.58-10,211.21-4,042.22

Finding the Fourth Proportional to 7,399.58, 10,211.21 and 4,042.22

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Solution

The fourth proportional to 7,399.58, 10,211.21 and 4,042.22 is: 5,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.58 : 10,211.21 = 4,042.22 : x
  2. Step 2: Convert to fraction form
    7,399.58/10,211.21 = 4,042.22/x
  3. Step 3: Cross multiply
    7,399.58x = 10,211.21 × 4,042.22
  4. Step 4: Simplify right side
    7,399.58x = 41,275,886.02
  5. Step 5: Solve for x
    x = 41,275,886.02/7,399.58
  6. Step 6: Final answer
    x = 5,578.14

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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.