Home / 8,542.11-11,786.10-5,184.84

Finding the Fourth Proportional to 8,542.11, 11,786.10 and 5,184.84

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Solution

The fourth proportional to 8,542.11, 11,786.10 and 5,184.84 is: 7,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.11 : 11,786.10 = 5,184.84 : x
  2. Step 2: Convert to fraction form
    8,542.11/11,786.10 = 5,184.84/x
  3. Step 3: Cross multiply
    8,542.11x = 11,786.10 × 5,184.84
  4. Step 4: Simplify right side
    8,542.11x = 61,109,042.72
  5. Step 5: Solve for x
    x = 61,109,042.72/8,542.11
  6. Step 6: Final answer
    x = 7,153.86

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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.