Home / 8,186.42-11,285.31-6,508.50

Finding the Fourth Proportional to 8,186.42, 11,285.31 and 6,508.50

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Solution

The fourth proportional to 8,186.42, 11,285.31 and 6,508.50 is: 8,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.42 : 11,285.31 = 6,508.50 : x
  2. Step 2: Convert to fraction form
    8,186.42/11,285.31 = 6,508.50/x
  3. Step 3: Cross multiply
    8,186.42x = 11,285.31 × 6,508.50
  4. Step 4: Simplify right side
    8,186.42x = 73,450,440.14
  5. Step 5: Solve for x
    x = 73,450,440.14/8,186.42
  6. Step 6: Final answer
    x = 8,972.24

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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.