Home / 4,218.81-6,329.56-2,027.69

Finding the Fourth Proportional to 4,218.81, 6,329.56 and 2,027.69

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Solution

The fourth proportional to 4,218.81, 6,329.56 and 2,027.69 is: 3,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.81 : 6,329.56 = 2,027.69 : x
  2. Step 2: Convert to fraction form
    4,218.81/6,329.56 = 2,027.69/x
  3. Step 3: Cross multiply
    4,218.81x = 6,329.56 × 2,027.69
  4. Step 4: Simplify right side
    4,218.81x = 12,834,385.52
  5. Step 5: Solve for x
    x = 12,834,385.52/4,218.81
  6. Step 6: Final answer
    x = 3,042.18

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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.