Home / 6,647.11-9,970.31-2,029.75

Finding the Fourth Proportional to 6,647.11, 9,970.31 and 2,029.75

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Solution

The fourth proportional to 6,647.11, 9,970.31 and 2,029.75 is: 3,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.11 : 9,970.31 = 2,029.75 : x
  2. Step 2: Convert to fraction form
    6,647.11/9,970.31 = 2,029.75/x
  3. Step 3: Cross multiply
    6,647.11x = 9,970.31 × 2,029.75
  4. Step 4: Simplify right side
    6,647.11x = 20,237,226.57
  5. Step 5: Solve for x
    x = 20,237,226.57/6,647.11
  6. Step 6: Final answer
    x = 3,044.52

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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.