Home / 7,390.45-10,198.56-4,404.74

Finding the Fourth Proportional to 7,390.45, 10,198.56 and 4,404.74

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Solution

The fourth proportional to 7,390.45, 10,198.56 and 4,404.74 is: 6,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.45 : 10,198.56 = 4,404.74 : x
  2. Step 2: Convert to fraction form
    7,390.45/10,198.56 = 4,404.74/x
  3. Step 3: Cross multiply
    7,390.45x = 10,198.56 × 4,404.74
  4. Step 4: Simplify right side
    7,390.45x = 44,921,954.18
  5. Step 5: Solve for x
    x = 44,921,954.18/7,390.45
  6. Step 6: Final answer
    x = 6,078.38

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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.