Home / 6,622.36-9,934.98-2,005.72

Finding the Fourth Proportional to 6,622.36, 9,934.98 and 2,005.72

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Solution

The fourth proportional to 6,622.36, 9,934.98 and 2,005.72 is: 3,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.36 : 9,934.98 = 2,005.72 : x
  2. Step 2: Convert to fraction form
    6,622.36/9,934.98 = 2,005.72/x
  3. Step 3: Cross multiply
    6,622.36x = 9,934.98 × 2,005.72
  4. Step 4: Simplify right side
    6,622.36x = 19,926,788.09
  5. Step 5: Solve for x
    x = 19,926,788.09/6,622.36
  6. Step 6: Final answer
    x = 3,009.02

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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.