Home / 6,645.10-9,949.83-3,715.06

Finding the Fourth Proportional to 6,645.10, 9,949.83 and 3,715.06

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Solution

The fourth proportional to 6,645.10, 9,949.83 and 3,715.06 is: 5,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.10 : 9,949.83 = 3,715.06 : x
  2. Step 2: Convert to fraction form
    6,645.10/9,949.83 = 3,715.06/x
  3. Step 3: Cross multiply
    6,645.10x = 9,949.83 × 3,715.06
  4. Step 4: Simplify right side
    6,645.10x = 36,964,215.44
  5. Step 5: Solve for x
    x = 36,964,215.44/6,645.10
  6. Step 6: Final answer
    x = 5,562.63

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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.