Home / 5,403.51-8,110.29-2,772.90

Finding the Fourth Proportional to 5,403.51, 8,110.29 and 2,772.90

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Solution

The fourth proportional to 5,403.51, 8,110.29 and 2,772.90 is: 4,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.51 : 8,110.29 = 2,772.90 : x
  2. Step 2: Convert to fraction form
    5,403.51/8,110.29 = 2,772.90/x
  3. Step 3: Cross multiply
    5,403.51x = 8,110.29 × 2,772.90
  4. Step 4: Simplify right side
    5,403.51x = 22,489,023.14
  5. Step 5: Solve for x
    x = 22,489,023.14/5,403.51
  6. Step 6: Final answer
    x = 4,161.93

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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.