Home / 5,188.33-7,779.34-2,068.81

Finding the Fourth Proportional to 5,188.33, 7,779.34 and 2,068.81

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Solution

The fourth proportional to 5,188.33, 7,779.34 and 2,068.81 is: 3,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.33 : 7,779.34 = 2,068.81 : x
  2. Step 2: Convert to fraction form
    5,188.33/7,779.34 = 2,068.81/x
  3. Step 3: Cross multiply
    5,188.33x = 7,779.34 × 2,068.81
  4. Step 4: Simplify right side
    5,188.33x = 16,093,976.39
  5. Step 5: Solve for x
    x = 16,093,976.39/5,188.33
  6. Step 6: Final answer
    x = 3,101.96

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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.