Home / 5,515.96-8,274.75-1,619.86

Finding the Fourth Proportional to 5,515.96, 8,274.75 and 1,619.86

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Solution

The fourth proportional to 5,515.96, 8,274.75 and 1,619.86 is: 2,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.96 : 8,274.75 = 1,619.86 : x
  2. Step 2: Convert to fraction form
    5,515.96/8,274.75 = 1,619.86/x
  3. Step 3: Cross multiply
    5,515.96x = 8,274.75 × 1,619.86
  4. Step 4: Simplify right side
    5,515.96x = 13,403,936.54
  5. Step 5: Solve for x
    x = 13,403,936.54/5,515.96
  6. Step 6: Final answer
    x = 2,430.03

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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.