Home / 4,227.52-5,831.28-3,390.23

Finding the Fourth Proportional to 4,227.52, 5,831.28 and 3,390.23

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Solution

The fourth proportional to 4,227.52, 5,831.28 and 3,390.23 is: 4,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.52 : 5,831.28 = 3,390.23 : x
  2. Step 2: Convert to fraction form
    4,227.52/5,831.28 = 3,390.23/x
  3. Step 3: Cross multiply
    4,227.52x = 5,831.28 × 3,390.23
  4. Step 4: Simplify right side
    4,227.52x = 19,769,373.80
  5. Step 5: Solve for x
    x = 19,769,373.80/4,227.52
  6. Step 6: Final answer
    x = 4,676.36

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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.