Home / 8,622.72-12,934.08-3,359.34

Finding the Fourth Proportional to 8,622.72, 12,934.08 and 3,359.34

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Solution

The fourth proportional to 8,622.72, 12,934.08 and 3,359.34 is: 5,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.72 : 12,934.08 = 3,359.34 : x
  2. Step 2: Convert to fraction form
    8,622.72/12,934.08 = 3,359.34/x
  3. Step 3: Cross multiply
    8,622.72x = 12,934.08 × 3,359.34
  4. Step 4: Simplify right side
    8,622.72x = 43,449,972.31
  5. Step 5: Solve for x
    x = 43,449,972.31/8,622.72
  6. Step 6: Final answer
    x = 5,039.01

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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.