Home / 7,208.20-10,808.46-2,275.72

Finding the Fourth Proportional to 7,208.20, 10,808.46 and 2,275.72

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Solution

The fourth proportional to 7,208.20, 10,808.46 and 2,275.72 is: 3,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.20 : 10,808.46 = 2,275.72 : x
  2. Step 2: Convert to fraction form
    7,208.20/10,808.46 = 2,275.72/x
  3. Step 3: Cross multiply
    7,208.20x = 10,808.46 × 2,275.72
  4. Step 4: Simplify right side
    7,208.20x = 24,597,028.59
  5. Step 5: Solve for x
    x = 24,597,028.59/7,208.20
  6. Step 6: Final answer
    x = 3,412.37

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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.