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Finding the Fourth Proportional to 6,565.89, 9,848.97 and 2,667.90

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Solution

The fourth proportional to 6,565.89, 9,848.97 and 2,667.90 is: 4,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,565.89 : 9,848.97 = 2,667.90 : x
  2. Step 2: Convert to fraction form
    6,565.89/9,848.97 = 2,667.90/x
  3. Step 3: Cross multiply
    6,565.89x = 9,848.97 × 2,667.90
  4. Step 4: Simplify right side
    6,565.89x = 26,276,067.06
  5. Step 5: Solve for x
    x = 26,276,067.06/6,565.89
  6. Step 6: Final answer
    x = 4,001.90

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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.