Home / 8,214.41-12,321.77-2,667.75

Finding the Fourth Proportional to 8,214.41, 12,321.77 and 2,667.75

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Solution

The fourth proportional to 8,214.41, 12,321.77 and 2,667.75 is: 4,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.41 : 12,321.77 = 2,667.75 : x
  2. Step 2: Convert to fraction form
    8,214.41/12,321.77 = 2,667.75/x
  3. Step 3: Cross multiply
    8,214.41x = 12,321.77 × 2,667.75
  4. Step 4: Simplify right side
    8,214.41x = 32,871,388.58
  5. Step 5: Solve for x
    x = 32,871,388.58/8,214.41
  6. Step 6: Final answer
    x = 4,001.68

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1.5x scale

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.