Home / 8,171.46-11,270.07-5,338.62

Finding the Fourth Proportional to 8,171.46, 11,270.07 and 5,338.62

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Solution

The fourth proportional to 8,171.46, 11,270.07 and 5,338.62 is: 7,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.46 : 11,270.07 = 5,338.62 : x
  2. Step 2: Convert to fraction form
    8,171.46/11,270.07 = 5,338.62/x
  3. Step 3: Cross multiply
    8,171.46x = 11,270.07 × 5,338.62
  4. Step 4: Simplify right side
    8,171.46x = 60,166,621.10
  5. Step 5: Solve for x
    x = 60,166,621.10/8,171.46
  6. Step 6: Final answer
    x = 7,363.02

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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.