Home / 8,246.20-12,365.70-3,314.20

Finding the Fourth Proportional to 8,246.20, 12,365.70 and 3,314.20

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Solution

The fourth proportional to 8,246.20, 12,365.70 and 3,314.20 is: 4,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.20 : 12,365.70 = 3,314.20 : x
  2. Step 2: Convert to fraction form
    8,246.20/12,365.70 = 3,314.20/x
  3. Step 3: Cross multiply
    8,246.20x = 12,365.70 × 3,314.20
  4. Step 4: Simplify right side
    8,246.20x = 40,982,402.94
  5. Step 5: Solve for x
    x = 40,982,402.94/8,246.20
  6. Step 6: Final answer
    x = 4,969.85

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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.