Home / 8,346.74-12,520.12-3,843.36

Finding the Fourth Proportional to 8,346.74, 12,520.12 and 3,843.36

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Solution

The fourth proportional to 8,346.74, 12,520.12 and 3,843.36 is: 5,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.74 : 12,520.12 = 3,843.36 : x
  2. Step 2: Convert to fraction form
    8,346.74/12,520.12 = 3,843.36/x
  3. Step 3: Cross multiply
    8,346.74x = 12,520.12 × 3,843.36
  4. Step 4: Simplify right side
    8,346.74x = 48,119,328.40
  5. Step 5: Solve for x
    x = 48,119,328.40/8,346.74
  6. Step 6: Final answer
    x = 5,765.04

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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.