Home / 7,003.09-9,664.31-4,018.85

Finding the Fourth Proportional to 7,003.09, 9,664.31 and 4,018.85

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Solution

The fourth proportional to 7,003.09, 9,664.31 and 4,018.85 is: 5,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.09 : 9,664.31 = 4,018.85 : x
  2. Step 2: Convert to fraction form
    7,003.09/9,664.31 = 4,018.85/x
  3. Step 3: Cross multiply
    7,003.09x = 9,664.31 × 4,018.85
  4. Step 4: Simplify right side
    7,003.09x = 38,839,410.21
  5. Step 5: Solve for x
    x = 38,839,410.21/7,003.09
  6. Step 6: Final answer
    x = 5,546.04

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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.