Home / 4,217.99-6,328.45-1,879.66

Finding the Fourth Proportional to 4,217.99, 6,328.45 and 1,879.66

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Solution

The fourth proportional to 4,217.99, 6,328.45 and 1,879.66 is: 2,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.99 : 6,328.45 = 1,879.66 : x
  2. Step 2: Convert to fraction form
    4,217.99/6,328.45 = 1,879.66/x
  3. Step 3: Cross multiply
    4,217.99x = 6,328.45 × 1,879.66
  4. Step 4: Simplify right side
    4,217.99x = 11,895,302.68
  5. Step 5: Solve for x
    x = 11,895,302.68/4,217.99
  6. Step 6: Final answer
    x = 2,820.14

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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.