Home / 8,065.50-11,132.82-4,921.08

Finding the Fourth Proportional to 8,065.50, 11,132.82 and 4,921.08

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Solution

The fourth proportional to 8,065.50, 11,132.82 and 4,921.08 is: 6,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.50 : 11,132.82 = 4,921.08 : x
  2. Step 2: Convert to fraction form
    8,065.50/11,132.82 = 4,921.08/x
  3. Step 3: Cross multiply
    8,065.50x = 11,132.82 × 4,921.08
  4. Step 4: Simplify right side
    8,065.50x = 54,785,497.85
  5. Step 5: Solve for x
    x = 54,785,497.85/8,065.50
  6. Step 6: Final answer
    x = 6,792.57

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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.