Home / 5,187.38-7,773.78-2,259.54

Finding the Fourth Proportional to 5,187.38, 7,773.78 and 2,259.54

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Solution

The fourth proportional to 5,187.38, 7,773.78 and 2,259.54 is: 3,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.38 : 7,773.78 = 2,259.54 : x
  2. Step 2: Convert to fraction form
    5,187.38/7,773.78 = 2,259.54/x
  3. Step 3: Cross multiply
    5,187.38x = 7,773.78 × 2,259.54
  4. Step 4: Simplify right side
    5,187.38x = 17,565,166.86
  5. Step 5: Solve for x
    x = 17,565,166.86/5,187.38
  6. Step 6: Final answer
    x = 3,386.13

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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.