Home / 5,462.11-8,189.36-2,788.51

Finding the Fourth Proportional to 5,462.11, 8,189.36 and 2,788.51

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Solution

The fourth proportional to 5,462.11, 8,189.36 and 2,788.51 is: 4,180.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462.11 : 8,189.36 = 2,788.51 : x
  2. Step 2: Convert to fraction form
    5,462.11/8,189.36 = 2,788.51/x
  3. Step 3: Cross multiply
    5,462.11x = 8,189.36 × 2,788.51
  4. Step 4: Simplify right side
    5,462.11x = 22,836,111.49
  5. Step 5: Solve for x
    x = 22,836,111.49/5,462.11
  6. Step 6: Final answer
    x = 4,180.82

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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.