Home / 7,225.32-10,825.20-3,321.54

Finding the Fourth Proportional to 7,225.32, 10,825.20 and 3,321.54

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Solution

The fourth proportional to 7,225.32, 10,825.20 and 3,321.54 is: 4,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.32 : 10,825.20 = 3,321.54 : x
  2. Step 2: Convert to fraction form
    7,225.32/10,825.20 = 3,321.54/x
  3. Step 3: Cross multiply
    7,225.32x = 10,825.20 × 3,321.54
  4. Step 4: Simplify right side
    7,225.32x = 35,956,334.81
  5. Step 5: Solve for x
    x = 35,956,334.81/7,225.32
  6. Step 6: Final answer
    x = 4,976.43

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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.