Home / 8,394.02-12,579.99-3,460.92

Finding the Fourth Proportional to 8,394.02, 12,579.99 and 3,460.92

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Solution

The fourth proportional to 8,394.02, 12,579.99 and 3,460.92 is: 5,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.02 : 12,579.99 = 3,460.92 : x
  2. Step 2: Convert to fraction form
    8,394.02/12,579.99 = 3,460.92/x
  3. Step 3: Cross multiply
    8,394.02x = 12,579.99 × 3,460.92
  4. Step 4: Simplify right side
    8,394.02x = 43,538,338.99
  5. Step 5: Solve for x
    x = 43,538,338.99/8,394.02
  6. Step 6: Final answer
    x = 5,186.83

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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.