Home / 8,204.60-12,309.06-2,940.14

Finding the Fourth Proportional to 8,204.60, 12,309.06 and 2,940.14

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Solution

The fourth proportional to 8,204.60, 12,309.06 and 2,940.14 is: 4,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.60 : 12,309.06 = 2,940.14 : x
  2. Step 2: Convert to fraction form
    8,204.60/12,309.06 = 2,940.14/x
  3. Step 3: Cross multiply
    8,204.60x = 12,309.06 × 2,940.14
  4. Step 4: Simplify right side
    8,204.60x = 36,190,298.12
  5. Step 5: Solve for x
    x = 36,190,298.12/8,204.60
  6. Step 6: Final answer
    x = 4,410.98

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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.