Home / 5,222.15-7,831.67-1,523.21

Finding the Fourth Proportional to 5,222.15, 7,831.67 and 1,523.21

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Solution

The fourth proportional to 5,222.15, 7,831.67 and 1,523.21 is: 2,284.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.15 : 7,831.67 = 1,523.21 : x
  2. Step 2: Convert to fraction form
    5,222.15/7,831.67 = 1,523.21/x
  3. Step 3: Cross multiply
    5,222.15x = 7,831.67 × 1,523.21
  4. Step 4: Simplify right side
    5,222.15x = 11,929,278.06
  5. Step 5: Solve for x
    x = 11,929,278.06/5,222.15
  6. Step 6: Final answer
    x = 2,284.36

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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.