Home / 8,124.26-12,188.22-2,930.14

Finding the Fourth Proportional to 8,124.26, 12,188.22 and 2,930.14

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Solution

The fourth proportional to 8,124.26, 12,188.22 and 2,930.14 is: 4,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.26 : 12,188.22 = 2,930.14 : x
  2. Step 2: Convert to fraction form
    8,124.26/12,188.22 = 2,930.14/x
  3. Step 3: Cross multiply
    8,124.26x = 12,188.22 × 2,930.14
  4. Step 4: Simplify right side
    8,124.26x = 35,713,115.36
  5. Step 5: Solve for x
    x = 35,713,115.36/8,124.26
  6. Step 6: Final answer
    x = 4,395.86

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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.