Home / 5,403-7,453.56-3,831.96

Finding the Fourth Proportional to 5,403, 7,453.56 and 3,831.96

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Solution

The fourth proportional to 5,403, 7,453.56 and 3,831.96 is: 5,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403 : 7,453.56 = 3,831.96 : x
  2. Step 2: Convert to fraction form
    5,403/7,453.56 = 3,831.96/x
  3. Step 3: Cross multiply
    5,403x = 7,453.56 × 3,831.96
  4. Step 4: Simplify right side
    5,403x = 28,561,743.78
  5. Step 5: Solve for x
    x = 28,561,743.78/5,403
  6. Step 6: Final answer
    x = 5,286.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.