Home / 9,172.97-13,756.75-3,907.92

Finding the Fourth Proportional to 9,172.97, 13,756.75 and 3,907.92

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Solution

The fourth proportional to 9,172.97, 13,756.75 and 3,907.92 is: 5,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.97 : 13,756.75 = 3,907.92 : x
  2. Step 2: Convert to fraction form
    9,172.97/13,756.75 = 3,907.92/x
  3. Step 3: Cross multiply
    9,172.97x = 13,756.75 × 3,907.92
  4. Step 4: Simplify right side
    9,172.97x = 53,760,278.46
  5. Step 5: Solve for x
    x = 53,760,278.46/9,172.97
  6. Step 6: Final answer
    x = 5,860.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.