Home / 8,173.50-11,279.67-4,447.74

Finding the Fourth Proportional to 8,173.50, 11,279.67 and 4,447.74

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Solution

The fourth proportional to 8,173.50, 11,279.67 and 4,447.74 is: 6,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.50 : 11,279.67 = 4,447.74 : x
  2. Step 2: Convert to fraction form
    8,173.50/11,279.67 = 4,447.74/x
  3. Step 3: Cross multiply
    8,173.50x = 11,279.67 × 4,447.74
  4. Step 4: Simplify right side
    8,173.50x = 50,169,039.45
  5. Step 5: Solve for x
    x = 50,169,039.45/8,173.50
  6. Step 6: Final answer
    x = 6,138.01

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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.