Home / 7,334.35-10,121.36-3,977.13

Finding the Fourth Proportional to 7,334.35, 10,121.36 and 3,977.13

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Solution

The fourth proportional to 7,334.35, 10,121.36 and 3,977.13 is: 5,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.35 : 10,121.36 = 3,977.13 : x
  2. Step 2: Convert to fraction form
    7,334.35/10,121.36 = 3,977.13/x
  3. Step 3: Cross multiply
    7,334.35x = 10,121.36 × 3,977.13
  4. Step 4: Simplify right side
    7,334.35x = 40,253,964.50
  5. Step 5: Solve for x
    x = 40,253,964.50/7,334.35
  6. Step 6: Final answer
    x = 5,488.42

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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.