Home / 7,282.20-10,922.22-2,605.80

Finding the Fourth Proportional to 7,282.20, 10,922.22 and 2,605.80

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Solution

The fourth proportional to 7,282.20, 10,922.22 and 2,605.80 is: 3,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.20 : 10,922.22 = 2,605.80 : x
  2. Step 2: Convert to fraction form
    7,282.20/10,922.22 = 2,605.80/x
  3. Step 3: Cross multiply
    7,282.20x = 10,922.22 × 2,605.80
  4. Step 4: Simplify right side
    7,282.20x = 28,461,120.88
  5. Step 5: Solve for x
    x = 28,461,120.88/7,282.20
  6. Step 6: Final answer
    x = 3,908.31

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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.