Home / 8,266.73-12,390.75-4,109.70

Finding the Fourth Proportional to 8,266.73, 12,390.75 and 4,109.70

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Solution

The fourth proportional to 8,266.73, 12,390.75 and 4,109.70 is: 6,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.73 : 12,390.75 = 4,109.70 : x
  2. Step 2: Convert to fraction form
    8,266.73/12,390.75 = 4,109.70/x
  3. Step 3: Cross multiply
    8,266.73x = 12,390.75 × 4,109.70
  4. Step 4: Simplify right side
    8,266.73x = 50,922,265.28
  5. Step 5: Solve for x
    x = 50,922,265.28/8,266.73
  6. Step 6: Final answer
    x = 6,159.91

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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.