Home / 8,725.37-13,087.85-2,151.41

Finding the Fourth Proportional to 8,725.37, 13,087.85 and 2,151.41

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Solution

The fourth proportional to 8,725.37, 13,087.85 and 2,151.41 is: 3,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.37 : 13,087.85 = 2,151.41 : x
  2. Step 2: Convert to fraction form
    8,725.37/13,087.85 = 2,151.41/x
  3. Step 3: Cross multiply
    8,725.37x = 13,087.85 × 2,151.41
  4. Step 4: Simplify right side
    8,725.37x = 28,157,255.17
  5. Step 5: Solve for x
    x = 28,157,255.17/8,725.37
  6. Step 6: Final answer
    x = 3,227.06

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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.