Home / 7,334.07-10,121.21-4,146.72

Finding the Fourth Proportional to 7,334.07, 10,121.21 and 4,146.72

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Solution

The fourth proportional to 7,334.07, 10,121.21 and 4,146.72 is: 5,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.07 : 10,121.21 = 4,146.72 : x
  2. Step 2: Convert to fraction form
    7,334.07/10,121.21 = 4,146.72/x
  3. Step 3: Cross multiply
    7,334.07x = 10,121.21 × 4,146.72
  4. Step 4: Simplify right side
    7,334.07x = 41,969,823.93
  5. Step 5: Solve for x
    x = 41,969,823.93/7,334.07
  6. Step 6: Final answer
    x = 5,722.58

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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.