Home / 7,223.73-10,831.77-3,324.75

Finding the Fourth Proportional to 7,223.73, 10,831.77 and 3,324.75

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Solution

The fourth proportional to 7,223.73, 10,831.77 and 3,324.75 is: 4,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.73 : 10,831.77 = 3,324.75 : x
  2. Step 2: Convert to fraction form
    7,223.73/10,831.77 = 3,324.75/x
  3. Step 3: Cross multiply
    7,223.73x = 10,831.77 × 3,324.75
  4. Step 4: Simplify right side
    7,223.73x = 36,012,927.31
  5. Step 5: Solve for x
    x = 36,012,927.31/7,223.73
  6. Step 6: Final answer
    x = 4,985.36

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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.