Home / 8,091.55-11,138.27-6,976.18

Finding the Fourth Proportional to 8,091.55, 11,138.27 and 6,976.18

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Solution

The fourth proportional to 8,091.55, 11,138.27 and 6,976.18 is: 9,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.55 : 11,138.27 = 6,976.18 : x
  2. Step 2: Convert to fraction form
    8,091.55/11,138.27 = 6,976.18/x
  3. Step 3: Cross multiply
    8,091.55x = 11,138.27 × 6,976.18
  4. Step 4: Simplify right side
    8,091.55x = 77,702,576.41
  5. Step 5: Solve for x
    x = 77,702,576.41/8,091.55
  6. Step 6: Final answer
    x = 9,602.93

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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.