Home / 7,390.26-10,198.31-4,404.56

Finding the Fourth Proportional to 7,390.26, 10,198.31 and 4,404.56

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Solution

The fourth proportional to 7,390.26, 10,198.31 and 4,404.56 is: 6,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.26 : 10,198.31 = 4,404.56 : x
  2. Step 2: Convert to fraction form
    7,390.26/10,198.31 = 4,404.56/x
  3. Step 3: Cross multiply
    7,390.26x = 10,198.31 × 4,404.56
  4. Step 4: Simplify right side
    7,390.26x = 44,918,995.28
  5. Step 5: Solve for x
    x = 44,918,995.28/7,390.26
  6. Step 6: Final answer
    x = 6,078.13

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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.