Home / 5,687.20-8,530.80-2,224.45

Finding the Fourth Proportional to 5,687.20, 8,530.80 and 2,224.45

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Solution

The fourth proportional to 5,687.20, 8,530.80 and 2,224.45 is: 3,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.20 : 8,530.80 = 2,224.45 : x
  2. Step 2: Convert to fraction form
    5,687.20/8,530.80 = 2,224.45/x
  3. Step 3: Cross multiply
    5,687.20x = 8,530.80 × 2,224.45
  4. Step 4: Simplify right side
    5,687.20x = 18,976,338.06
  5. Step 5: Solve for x
    x = 18,976,338.06/5,687.20
  6. Step 6: Final answer
    x = 3,336.68

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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.