Home / 7,126.80-10,674.24-4,121.16

Finding the Fourth Proportional to 7,126.80, 10,674.24 and 4,121.16

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Solution

The fourth proportional to 7,126.80, 10,674.24 and 4,121.16 is: 6,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.80 : 10,674.24 = 4,121.16 : x
  2. Step 2: Convert to fraction form
    7,126.80/10,674.24 = 4,121.16/x
  3. Step 3: Cross multiply
    7,126.80x = 10,674.24 × 4,121.16
  4. Step 4: Simplify right side
    7,126.80x = 43,990,250.92
  5. Step 5: Solve for x
    x = 43,990,250.92/7,126.80
  6. Step 6: Final answer
    x = 6,172.51

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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.