Home / 6,618.56-9,929.92-2,724.80

Finding the Fourth Proportional to 6,618.56, 9,929.92 and 2,724.80

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Solution

The fourth proportional to 6,618.56, 9,929.92 and 2,724.80 is: 4,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.56 : 9,929.92 = 2,724.80 : x
  2. Step 2: Convert to fraction form
    6,618.56/9,929.92 = 2,724.80/x
  3. Step 3: Cross multiply
    6,618.56x = 9,929.92 × 2,724.80
  4. Step 4: Simplify right side
    6,618.56x = 27,057,046.02
  5. Step 5: Solve for x
    x = 27,057,046.02/6,618.56
  6. Step 6: Final answer
    x = 4,088.06

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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.