Home / 8,236.91-12,356.89-2,900.63

Finding the Fourth Proportional to 8,236.91, 12,356.89 and 2,900.63

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Solution

The fourth proportional to 8,236.91, 12,356.89 and 2,900.63 is: 4,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.91 : 12,356.89 = 2,900.63 : x
  2. Step 2: Convert to fraction form
    8,236.91/12,356.89 = 2,900.63/x
  3. Step 3: Cross multiply
    8,236.91x = 12,356.89 × 2,900.63
  4. Step 4: Simplify right side
    8,236.91x = 35,842,696.80
  5. Step 5: Solve for x
    x = 35,842,696.80/8,236.91
  6. Step 6: Final answer
    x = 4,351.48

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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.