Home / 6,664.14-9,986.85-2,961.90

Finding the Fourth Proportional to 6,664.14, 9,986.85 and 2,961.90

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Solution

The fourth proportional to 6,664.14, 9,986.85 and 2,961.90 is: 4,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.14 : 9,986.85 = 2,961.90 : x
  2. Step 2: Convert to fraction form
    6,664.14/9,986.85 = 2,961.90/x
  3. Step 3: Cross multiply
    6,664.14x = 9,986.85 × 2,961.90
  4. Step 4: Simplify right side
    6,664.14x = 29,580,051.02
  5. Step 5: Solve for x
    x = 29,580,051.02/6,664.14
  6. Step 6: Final answer
    x = 4,438.69

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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.