Home / 4,217.76-6,321.96-1,751.28

Finding the Fourth Proportional to 4,217.76, 6,321.96 and 1,751.28

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Solution

The fourth proportional to 4,217.76, 6,321.96 and 1,751.28 is: 2,624.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.76 : 6,321.96 = 1,751.28 : x
  2. Step 2: Convert to fraction form
    4,217.76/6,321.96 = 1,751.28/x
  3. Step 3: Cross multiply
    4,217.76x = 6,321.96 × 1,751.28
  4. Step 4: Simplify right side
    4,217.76x = 11,071,522.11
  5. Step 5: Solve for x
    x = 11,071,522.11/4,217.76
  6. Step 6: Final answer
    x = 2,624.98

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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.