Home / 8,136.90-11,227.75-4,551.84

Finding the Fourth Proportional to 8,136.90, 11,227.75 and 4,551.84

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Solution

The fourth proportional to 8,136.90, 11,227.75 and 4,551.84 is: 6,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.90 : 11,227.75 = 4,551.84 : x
  2. Step 2: Convert to fraction form
    8,136.90/11,227.75 = 4,551.84/x
  3. Step 3: Cross multiply
    8,136.90x = 11,227.75 × 4,551.84
  4. Step 4: Simplify right side
    8,136.90x = 51,106,910.18
  5. Step 5: Solve for x
    x = 51,106,910.18/8,136.90
  6. Step 6: Final answer
    x = 6,280.88

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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.