Home / 5,185.44-7,776.56-1,486.68

Finding the Fourth Proportional to 5,185.44, 7,776.56 and 1,486.68

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Solution

The fourth proportional to 5,185.44, 7,776.56 and 1,486.68 is: 2,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.44 : 7,776.56 = 1,486.68 : x
  2. Step 2: Convert to fraction form
    5,185.44/7,776.56 = 1,486.68/x
  3. Step 3: Cross multiply
    5,185.44x = 7,776.56 × 1,486.68
  4. Step 4: Simplify right side
    5,185.44x = 11,561,259.94
  5. Step 5: Solve for x
    x = 11,561,259.94/5,185.44
  6. Step 6: Final answer
    x = 2,229.56

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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.