Home / 5,191.83-7,171.34-3,626.91

Finding the Fourth Proportional to 5,191.83, 7,171.34 and 3,626.91

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Solution

The fourth proportional to 5,191.83, 7,171.34 and 3,626.91 is: 5,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.83 : 7,171.34 = 3,626.91 : x
  2. Step 2: Convert to fraction form
    5,191.83/7,171.34 = 3,626.91/x
  3. Step 3: Cross multiply
    5,191.83x = 7,171.34 × 3,626.91
  4. Step 4: Simplify right side
    5,191.83x = 26,009,786.62
  5. Step 5: Solve for x
    x = 26,009,786.62/5,191.83
  6. Step 6: Final answer
    x = 5,009.75

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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.