Home / 8,544.50-11,791.65-5,186.90

Finding the Fourth Proportional to 8,544.50, 11,791.65 and 5,186.90

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Solution

The fourth proportional to 8,544.50, 11,791.65 and 5,186.90 is: 7,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.50 : 11,791.65 = 5,186.90 : x
  2. Step 2: Convert to fraction form
    8,544.50/11,791.65 = 5,186.90/x
  3. Step 3: Cross multiply
    8,544.50x = 11,791.65 × 5,186.90
  4. Step 4: Simplify right side
    8,544.50x = 61,162,109.39
  5. Step 5: Solve for x
    x = 61,162,109.39/8,544.50
  6. Step 6: Final answer
    x = 7,158.07

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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.