Home / 6,922.04-10,380.49-2,760.80

Finding the Fourth Proportional to 6,922.04, 10,380.49 and 2,760.80

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Solution

The fourth proportional to 6,922.04, 10,380.49 and 2,760.80 is: 4,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.04 : 10,380.49 = 2,760.80 : x
  2. Step 2: Convert to fraction form
    6,922.04/10,380.49 = 2,760.80/x
  3. Step 3: Cross multiply
    6,922.04x = 10,380.49 × 2,760.80
  4. Step 4: Simplify right side
    6,922.04x = 28,658,397.99
  5. Step 5: Solve for x
    x = 28,658,397.99/6,922.04
  6. Step 6: Final answer
    x = 4,140.17

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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.