Home / 5,221.33-7,831.16-1,522.70

Finding the Fourth Proportional to 5,221.33, 7,831.16 and 1,522.70

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Solution

The fourth proportional to 5,221.33, 7,831.16 and 1,522.70 is: 2,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.33 : 7,831.16 = 1,522.70 : x
  2. Step 2: Convert to fraction form
    5,221.33/7,831.16 = 1,522.70/x
  3. Step 3: Cross multiply
    5,221.33x = 7,831.16 × 1,522.70
  4. Step 4: Simplify right side
    5,221.33x = 11,924,468.18
  5. Step 5: Solve for x
    x = 11,924,468.18/5,221.33
  6. Step 6: Final answer
    x = 2,283.80

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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.