Home / 6,079.97-9,121.18-1,920.37

Finding the Fourth Proportional to 6,079.97, 9,121.18 and 1,920.37

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Solution

The fourth proportional to 6,079.97, 9,121.18 and 1,920.37 is: 2,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.97 : 9,121.18 = 1,920.37 : x
  2. Step 2: Convert to fraction form
    6,079.97/9,121.18 = 1,920.37/x
  3. Step 3: Cross multiply
    6,079.97x = 9,121.18 × 1,920.37
  4. Step 4: Simplify right side
    6,079.97x = 17,516,012.83
  5. Step 5: Solve for x
    x = 17,516,012.83/6,079.97
  6. Step 6: Final answer
    x = 2,880.94

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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.