Home / 8,722.41-13,083.50-2,148.66

Finding the Fourth Proportional to 8,722.41, 13,083.50 and 2,148.66

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Solution

The fourth proportional to 8,722.41, 13,083.50 and 2,148.66 is: 3,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.41 : 13,083.50 = 2,148.66 : x
  2. Step 2: Convert to fraction form
    8,722.41/13,083.50 = 2,148.66/x
  3. Step 3: Cross multiply
    8,722.41x = 13,083.50 × 2,148.66
  4. Step 4: Simplify right side
    8,722.41x = 28,111,982.37
  5. Step 5: Solve for x
    x = 28,111,982.37/8,722.41
  6. Step 6: Final answer
    x = 3,222.96

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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.