Home / 8,725.07-13,087.73-2,151.26

Finding the Fourth Proportional to 8,725.07, 13,087.73 and 2,151.26

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Solution

The fourth proportional to 8,725.07, 13,087.73 and 2,151.26 is: 3,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.07 : 13,087.73 = 2,151.26 : x
  2. Step 2: Convert to fraction form
    8,725.07/13,087.73 = 2,151.26/x
  3. Step 3: Cross multiply
    8,725.07x = 13,087.73 × 2,151.26
  4. Step 4: Simplify right side
    8,725.07x = 28,155,049.98
  5. Step 5: Solve for x
    x = 28,155,049.98/8,725.07
  6. Step 6: Final answer
    x = 3,226.92

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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.