Home / 8,136.23-11,227.50-5,259.87

Finding the Fourth Proportional to 8,136.23, 11,227.50 and 5,259.87

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Solution

The fourth proportional to 8,136.23, 11,227.50 and 5,259.87 is: 7,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.23 : 11,227.50 = 5,259.87 : x
  2. Step 2: Convert to fraction form
    8,136.23/11,227.50 = 5,259.87/x
  3. Step 3: Cross multiply
    8,136.23x = 11,227.50 × 5,259.87
  4. Step 4: Simplify right side
    8,136.23x = 59,055,190.43
  5. Step 5: Solve for x
    x = 59,055,190.43/8,136.23
  6. Step 6: Final answer
    x = 7,258.30

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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.