Home / 8,135.58-12,205.29-2,941.50

Finding the Fourth Proportional to 8,135.58, 12,205.29 and 2,941.50

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Solution

The fourth proportional to 8,135.58, 12,205.29 and 2,941.50 is: 4,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.58 : 12,205.29 = 2,941.50 : x
  2. Step 2: Convert to fraction form
    8,135.58/12,205.29 = 2,941.50/x
  3. Step 3: Cross multiply
    8,135.58x = 12,205.29 × 2,941.50
  4. Step 4: Simplify right side
    8,135.58x = 35,901,860.54
  5. Step 5: Solve for x
    x = 35,901,860.54/8,135.58
  6. Step 6: Final answer
    x = 4,412.94

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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.