Home / 5,191.26-7,786.28-1,443.33

Finding the Fourth Proportional to 5,191.26, 7,786.28 and 1,443.33

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Solution

The fourth proportional to 5,191.26, 7,786.28 and 1,443.33 is: 2,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.26 : 7,786.28 = 1,443.33 : x
  2. Step 2: Convert to fraction form
    5,191.26/7,786.28 = 1,443.33/x
  3. Step 3: Cross multiply
    5,191.26x = 7,786.28 × 1,443.33
  4. Step 4: Simplify right side
    5,191.26x = 11,238,164.30
  5. Step 5: Solve for x
    x = 11,238,164.30/5,191.26
  6. Step 6: Final answer
    x = 2,164.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.