Home / 6,663.82-9,990.33-2,771.14

Finding the Fourth Proportional to 6,663.82, 9,990.33 and 2,771.14

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Solution

The fourth proportional to 6,663.82, 9,990.33 and 2,771.14 is: 4,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.82 : 9,990.33 = 2,771.14 : x
  2. Step 2: Convert to fraction form
    6,663.82/9,990.33 = 2,771.14/x
  3. Step 3: Cross multiply
    6,663.82x = 9,990.33 × 2,771.14
  4. Step 4: Simplify right side
    6,663.82x = 27,684,564.24
  5. Step 5: Solve for x
    x = 27,684,564.24/6,663.82
  6. Step 6: Final answer
    x = 4,154.46

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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.