Home / 8,163.84-11,264.28-4,806.80

Finding the Fourth Proportional to 8,163.84, 11,264.28 and 4,806.80

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Solution

The fourth proportional to 8,163.84, 11,264.28 and 4,806.80 is: 6,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.84 : 11,264.28 = 4,806.80 : x
  2. Step 2: Convert to fraction form
    8,163.84/11,264.28 = 4,806.80/x
  3. Step 3: Cross multiply
    8,163.84x = 11,264.28 × 4,806.80
  4. Step 4: Simplify right side
    8,163.84x = 54,145,136.04
  5. Step 5: Solve for x
    x = 54,145,136.04/8,163.84
  6. Step 6: Final answer
    x = 6,632.31

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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.