Home / 4,219.97-6,328.13-1,446.92

Finding the Fourth Proportional to 4,219.97, 6,328.13 and 1,446.92

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Solution

The fourth proportional to 4,219.97, 6,328.13 and 1,446.92 is: 2,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.97 : 6,328.13 = 1,446.92 : x
  2. Step 2: Convert to fraction form
    4,219.97/6,328.13 = 1,446.92/x
  3. Step 3: Cross multiply
    4,219.97x = 6,328.13 × 1,446.92
  4. Step 4: Simplify right side
    4,219.97x = 9,156,266.22
  5. Step 5: Solve for x
    x = 9,156,266.22/4,219.97
  6. Step 6: Final answer
    x = 2,169.75

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1.5x scale

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.