Home / 8,179.26-12,267.06-2,631.54

Finding the Fourth Proportional to 8,179.26, 12,267.06 and 2,631.54

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Solution

The fourth proportional to 8,179.26, 12,267.06 and 2,631.54 is: 3,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.26 : 12,267.06 = 2,631.54 : x
  2. Step 2: Convert to fraction form
    8,179.26/12,267.06 = 2,631.54/x
  3. Step 3: Cross multiply
    8,179.26x = 12,267.06 × 2,631.54
  4. Step 4: Simplify right side
    8,179.26x = 32,281,259.07
  5. Step 5: Solve for x
    x = 32,281,259.07/8,179.26
  6. Step 6: Final answer
    x = 3,946.72

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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.