Home / 8,694.30-13,041.45-3,149.40

Finding the Fourth Proportional to 8,694.30, 13,041.45 and 3,149.40

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Solution

The fourth proportional to 8,694.30, 13,041.45 and 3,149.40 is: 4,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.30 : 13,041.45 = 3,149.40 : x
  2. Step 2: Convert to fraction form
    8,694.30/13,041.45 = 3,149.40/x
  3. Step 3: Cross multiply
    8,694.30x = 13,041.45 × 3,149.40
  4. Step 4: Simplify right side
    8,694.30x = 41,072,742.63
  5. Step 5: Solve for x
    x = 41,072,742.63/8,694.30
  6. Step 6: Final answer
    x = 4,724.10

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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.