Home / 5,188.86-7,783.77-2,068.11

Finding the Fourth Proportional to 5,188.86, 7,783.77 and 2,068.11

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Solution

The fourth proportional to 5,188.86, 7,783.77 and 2,068.11 is: 3,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.86 : 7,783.77 = 2,068.11 : x
  2. Step 2: Convert to fraction form
    5,188.86/7,783.77 = 2,068.11/x
  3. Step 3: Cross multiply
    5,188.86x = 7,783.77 × 2,068.11
  4. Step 4: Simplify right side
    5,188.86x = 16,097,692.57
  5. Step 5: Solve for x
    x = 16,097,692.57/5,188.86
  6. Step 6: Final answer
    x = 3,102.36

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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.