Home / 8,743.12-13,112.85-3,199.07

Finding the Fourth Proportional to 8,743.12, 13,112.85 and 3,199.07

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Solution

The fourth proportional to 8,743.12, 13,112.85 and 3,199.07 is: 4,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.12 : 13,112.85 = 3,199.07 : x
  2. Step 2: Convert to fraction form
    8,743.12/13,112.85 = 3,199.07/x
  3. Step 3: Cross multiply
    8,743.12x = 13,112.85 × 3,199.07
  4. Step 4: Simplify right side
    8,743.12x = 41,948,925.05
  5. Step 5: Solve for x
    x = 41,948,925.05/8,743.12
  6. Step 6: Final answer
    x = 4,797.94

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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.