Home / 8,538.28-12,809.45-2,694.94

Finding the Fourth Proportional to 8,538.28, 12,809.45 and 2,694.94

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Solution

The fourth proportional to 8,538.28, 12,809.45 and 2,694.94 is: 4,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.28 : 12,809.45 = 2,694.94 : x
  2. Step 2: Convert to fraction form
    8,538.28/12,809.45 = 2,694.94/x
  3. Step 3: Cross multiply
    8,538.28x = 12,809.45 × 2,694.94
  4. Step 4: Simplify right side
    8,538.28x = 34,520,699.18
  5. Step 5: Solve for x
    x = 34,520,699.18/8,538.28
  6. Step 6: Final answer
    x = 4,043.05

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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.