Home / 8,667.50-13,002.60-2,822.74

Finding the Fourth Proportional to 8,667.50, 13,002.60 and 2,822.74

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Solution

The fourth proportional to 8,667.50, 13,002.60 and 2,822.74 is: 4,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.50 : 13,002.60 = 2,822.74 : x
  2. Step 2: Convert to fraction form
    8,667.50/13,002.60 = 2,822.74/x
  3. Step 3: Cross multiply
    8,667.50x = 13,002.60 × 2,822.74
  4. Step 4: Simplify right side
    8,667.50x = 36,702,959.12
  5. Step 5: Solve for x
    x = 36,702,959.12/8,667.50
  6. Step 6: Final answer
    x = 4,234.55

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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.