Home / 8,204.20-12,308.10-2,656.60

Finding the Fourth Proportional to 8,204.20, 12,308.10 and 2,656.60

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Solution

The fourth proportional to 8,204.20, 12,308.10 and 2,656.60 is: 3,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.20 : 12,308.10 = 2,656.60 : x
  2. Step 2: Convert to fraction form
    8,204.20/12,308.10 = 2,656.60/x
  3. Step 3: Cross multiply
    8,204.20x = 12,308.10 × 2,656.60
  4. Step 4: Simplify right side
    8,204.20x = 32,697,698.46
  5. Step 5: Solve for x
    x = 32,697,698.46/8,204.20
  6. Step 6: Final answer
    x = 3,985.48

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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.