Home / 8,340.07-12,511.62-3,957.49

Finding the Fourth Proportional to 8,340.07, 12,511.62 and 3,957.49

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Solution

The fourth proportional to 8,340.07, 12,511.62 and 3,957.49 is: 5,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.07 : 12,511.62 = 3,957.49 : x
  2. Step 2: Convert to fraction form
    8,340.07/12,511.62 = 3,957.49/x
  3. Step 3: Cross multiply
    8,340.07x = 12,511.62 × 3,957.49
  4. Step 4: Simplify right side
    8,340.07x = 49,514,611.03
  5. Step 5: Solve for x
    x = 49,514,611.03/8,340.07
  6. Step 6: Final answer
    x = 5,936.95

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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.