Home / 8,667.12-13,001.04-2,823.78

Finding the Fourth Proportional to 8,667.12, 13,001.04 and 2,823.78

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Solution

The fourth proportional to 8,667.12, 13,001.04 and 2,823.78 is: 4,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.12 : 13,001.04 = 2,823.78 : x
  2. Step 2: Convert to fraction form
    8,667.12/13,001.04 = 2,823.78/x
  3. Step 3: Cross multiply
    8,667.12x = 13,001.04 × 2,823.78
  4. Step 4: Simplify right side
    8,667.12x = 36,712,076.73
  5. Step 5: Solve for x
    x = 36,712,076.73/8,667.12
  6. Step 6: Final answer
    x = 4,235.79

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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.