Home / 6,665.05-9,995.46-2,768.50

Finding the Fourth Proportional to 6,665.05, 9,995.46 and 2,768.50

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Solution

The fourth proportional to 6,665.05, 9,995.46 and 2,768.50 is: 4,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.05 : 9,995.46 = 2,768.50 : x
  2. Step 2: Convert to fraction form
    6,665.05/9,995.46 = 2,768.50/x
  3. Step 3: Cross multiply
    6,665.05x = 9,995.46 × 2,768.50
  4. Step 4: Simplify right side
    6,665.05x = 27,672,431.01
  5. Step 5: Solve for x
    x = 27,672,431.01/6,665.05
  6. Step 6: Final answer
    x = 4,151.87

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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.