Home / 4,512.90-6,224.40-3,981.27

Finding the Fourth Proportional to 4,512.90, 6,224.40 and 3,981.27

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Solution

The fourth proportional to 4,512.90, 6,224.40 and 3,981.27 is: 5,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.90 : 6,224.40 = 3,981.27 : x
  2. Step 2: Convert to fraction form
    4,512.90/6,224.40 = 3,981.27/x
  3. Step 3: Cross multiply
    4,512.90x = 6,224.40 × 3,981.27
  4. Step 4: Simplify right side
    4,512.90x = 24,781,016.99
  5. Step 5: Solve for x
    x = 24,781,016.99/4,512.90
  6. Step 6: Final answer
    x = 5,491.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.