Home / 8,194.60-12,298.30-3,812.60

Finding the Fourth Proportional to 8,194.60, 12,298.30 and 3,812.60

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Solution

The fourth proportional to 8,194.60, 12,298.30 and 3,812.60 is: 5,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.60 : 12,298.30 = 3,812.60 : x
  2. Step 2: Convert to fraction form
    8,194.60/12,298.30 = 3,812.60/x
  3. Step 3: Cross multiply
    8,194.60x = 12,298.30 × 3,812.60
  4. Step 4: Simplify right side
    8,194.60x = 46,888,498.58
  5. Step 5: Solve for x
    x = 46,888,498.58/8,194.60
  6. Step 6: Final answer
    x = 5,721.88

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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.