Home / 4,429.84-6,646.38-1,831.36

Finding the Fourth Proportional to 4,429.84, 6,646.38 and 1,831.36

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Solution

The fourth proportional to 4,429.84, 6,646.38 and 1,831.36 is: 2,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.84 : 6,646.38 = 1,831.36 : x
  2. Step 2: Convert to fraction form
    4,429.84/6,646.38 = 1,831.36/x
  3. Step 3: Cross multiply
    4,429.84x = 6,646.38 × 1,831.36
  4. Step 4: Simplify right side
    4,429.84x = 12,171,914.48
  5. Step 5: Solve for x
    x = 12,171,914.48/4,429.84
  6. Step 6: Final answer
    x = 2,747.71

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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.