Home / 8,102.26-12,153.49-2,908.13

Finding the Fourth Proportional to 8,102.26, 12,153.49 and 2,908.13

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Solution

The fourth proportional to 8,102.26, 12,153.49 and 2,908.13 is: 4,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.26 : 12,153.49 = 2,908.13 : x
  2. Step 2: Convert to fraction form
    8,102.26/12,153.49 = 2,908.13/x
  3. Step 3: Cross multiply
    8,102.26x = 12,153.49 × 2,908.13
  4. Step 4: Simplify right side
    8,102.26x = 35,343,928.87
  5. Step 5: Solve for x
    x = 35,343,928.87/8,102.26
  6. Step 6: Final answer
    x = 4,362.23

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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.