Home / 8,677.10-11,976.58-7,791.36

Finding the Fourth Proportional to 8,677.10, 11,976.58 and 7,791.36

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Solution

The fourth proportional to 8,677.10, 11,976.58 and 7,791.36 is: 10,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.10 : 11,976.58 = 7,791.36 : x
  2. Step 2: Convert to fraction form
    8,677.10/11,976.58 = 7,791.36/x
  3. Step 3: Cross multiply
    8,677.10x = 11,976.58 × 7,791.36
  4. Step 4: Simplify right side
    8,677.10x = 93,313,846.35
  5. Step 5: Solve for x
    x = 93,313,846.35/8,677.10
  6. Step 6: Final answer
    x = 10,754.04

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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.