Home / 4,218.90-6,328.49-2,027.18

Finding the Fourth Proportional to 4,218.90, 6,328.49 and 2,027.18

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Solution

The fourth proportional to 4,218.90, 6,328.49 and 2,027.18 is: 3,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.90 : 6,328.49 = 2,027.18 : x
  2. Step 2: Convert to fraction form
    4,218.90/6,328.49 = 2,027.18/x
  3. Step 3: Cross multiply
    4,218.90x = 6,328.49 × 2,027.18
  4. Step 4: Simplify right side
    4,218.90x = 12,828,946.58
  5. Step 5: Solve for x
    x = 12,828,946.58/4,218.90
  6. Step 6: Final answer
    x = 3,040.83

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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.