Home / 6,618.83-9,929.61-2,236.23

Finding the Fourth Proportional to 6,618.83, 9,929.61 and 2,236.23

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Solution

The fourth proportional to 6,618.83, 9,929.61 and 2,236.23 is: 3,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.83 : 9,929.61 = 2,236.23 : x
  2. Step 2: Convert to fraction form
    6,618.83/9,929.61 = 2,236.23/x
  3. Step 3: Cross multiply
    6,618.83x = 9,929.61 × 2,236.23
  4. Step 4: Simplify right side
    6,618.83x = 22,204,891.77
  5. Step 5: Solve for x
    x = 22,204,891.77/6,618.83
  6. Step 6: Final answer
    x = 3,354.81

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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.