Home / 8,845.41-12,206.69-6,722.81

Finding the Fourth Proportional to 8,845.41, 12,206.69 and 6,722.81

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Solution

The fourth proportional to 8,845.41, 12,206.69 and 6,722.81 is: 9,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.41 : 12,206.69 = 6,722.81 : x
  2. Step 2: Convert to fraction form
    8,845.41/12,206.69 = 6,722.81/x
  3. Step 3: Cross multiply
    8,845.41x = 12,206.69 × 6,722.81
  4. Step 4: Simplify right side
    8,845.41x = 82,063,213.37
  5. Step 5: Solve for x
    x = 82,063,213.37/8,845.41
  6. Step 6: Final answer
    x = 9,277.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.