Home / 5,133.62-7,086.16-3,009.83

Finding the Fourth Proportional to 5,133.62, 7,086.16 and 3,009.83

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Solution

The fourth proportional to 5,133.62, 7,086.16 and 3,009.83 is: 4,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.62 : 7,086.16 = 3,009.83 : x
  2. Step 2: Convert to fraction form
    5,133.62/7,086.16 = 3,009.83/x
  3. Step 3: Cross multiply
    5,133.62x = 7,086.16 × 3,009.83
  4. Step 4: Simplify right side
    5,133.62x = 21,328,121.90
  5. Step 5: Solve for x
    x = 21,328,121.90/5,133.62
  6. Step 6: Final answer
    x = 4,154.60

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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.