Home / 5,155.48-7,733.99-2,193.90

Finding the Fourth Proportional to 5,155.48, 7,733.99 and 2,193.90

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Solution

The fourth proportional to 5,155.48, 7,733.99 and 2,193.90 is: 3,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.48 : 7,733.99 = 2,193.90 : x
  2. Step 2: Convert to fraction form
    5,155.48/7,733.99 = 2,193.90/x
  3. Step 3: Cross multiply
    5,155.48x = 7,733.99 × 2,193.90
  4. Step 4: Simplify right side
    5,155.48x = 16,967,600.66
  5. Step 5: Solve for x
    x = 16,967,600.66/5,155.48
  6. Step 6: Final answer
    x = 3,291.18

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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.