Home / 8,331.72-12,494.82-2,783.41

Finding the Fourth Proportional to 8,331.72, 12,494.82 and 2,783.41

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Solution

The fourth proportional to 8,331.72, 12,494.82 and 2,783.41 is: 4,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.72 : 12,494.82 = 2,783.41 : x
  2. Step 2: Convert to fraction form
    8,331.72/12,494.82 = 2,783.41/x
  3. Step 3: Cross multiply
    8,331.72x = 12,494.82 × 2,783.41
  4. Step 4: Simplify right side
    8,331.72x = 34,778,206.94
  5. Step 5: Solve for x
    x = 34,778,206.94/8,331.72
  6. Step 6: Final answer
    x = 4,174.19

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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.