Home / 6,665.09-9,192.25-4,990.48

Finding the Fourth Proportional to 6,665.09, 9,192.25 and 4,990.48

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Solution

The fourth proportional to 6,665.09, 9,192.25 and 4,990.48 is: 6,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.09 : 9,192.25 = 4,990.48 : x
  2. Step 2: Convert to fraction form
    6,665.09/9,192.25 = 4,990.48/x
  3. Step 3: Cross multiply
    6,665.09x = 9,192.25 × 4,990.48
  4. Step 4: Simplify right side
    6,665.09x = 45,873,723.04
  5. Step 5: Solve for x
    x = 45,873,723.04/6,665.09
  6. Step 6: Final answer
    x = 6,882.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.