Home / 7,220.57-10,831.57-3,002.96

Finding the Fourth Proportional to 7,220.57, 10,831.57 and 3,002.96

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Solution

The fourth proportional to 7,220.57, 10,831.57 and 3,002.96 is: 4,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.57 : 10,831.57 = 3,002.96 : x
  2. Step 2: Convert to fraction form
    7,220.57/10,831.57 = 3,002.96/x
  3. Step 3: Cross multiply
    7,220.57x = 10,831.57 × 3,002.96
  4. Step 4: Simplify right side
    7,220.57x = 32,526,709.78
  5. Step 5: Solve for x
    x = 32,526,709.78/7,220.57
  6. Step 6: Final answer
    x = 4,504.73

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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.