Home / 7,399.35-10,211.07-4,042.36

Finding the Fourth Proportional to 7,399.35, 10,211.07 and 4,042.36

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Solution

The fourth proportional to 7,399.35, 10,211.07 and 4,042.36 is: 5,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.35 : 10,211.07 = 4,042.36 : x
  2. Step 2: Convert to fraction form
    7,399.35/10,211.07 = 4,042.36/x
  3. Step 3: Cross multiply
    7,399.35x = 10,211.07 × 4,042.36
  4. Step 4: Simplify right side
    7,399.35x = 41,276,787.82
  5. Step 5: Solve for x
    x = 41,276,787.82/7,399.35
  6. Step 6: Final answer
    x = 5,578.43

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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.