Home / 4,221.71-6,329.15-1,758.38

Finding the Fourth Proportional to 4,221.71, 6,329.15 and 1,758.38

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Solution

The fourth proportional to 4,221.71, 6,329.15 and 1,758.38 is: 2,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.71 : 6,329.15 = 1,758.38 : x
  2. Step 2: Convert to fraction form
    4,221.71/6,329.15 = 1,758.38/x
  3. Step 3: Cross multiply
    4,221.71x = 6,329.15 × 1,758.38
  4. Step 4: Simplify right side
    4,221.71x = 11,129,037.37
  5. Step 5: Solve for x
    x = 11,129,037.37/4,221.71
  6. Step 6: Final answer
    x = 2,636.15

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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.