Home / 8,400.26-12,600.88-2,160.33

Finding the Fourth Proportional to 8,400.26, 12,600.88 and 2,160.33

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Solution

The fourth proportional to 8,400.26, 12,600.88 and 2,160.33 is: 3,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.26 : 12,600.88 = 2,160.33 : x
  2. Step 2: Convert to fraction form
    8,400.26/12,600.88 = 2,160.33/x
  3. Step 3: Cross multiply
    8,400.26x = 12,600.88 × 2,160.33
  4. Step 4: Simplify right side
    8,400.26x = 27,222,053.69
  5. Step 5: Solve for x
    x = 27,222,053.69/8,400.26
  6. Step 6: Final answer
    x = 3,240.62

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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.