Home / 7,550.86-11,319.31-6,928.02

Finding the Fourth Proportional to 7,550.86, 11,319.31 and 6,928.02

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Solution

The fourth proportional to 7,550.86, 11,319.31 and 6,928.02 is: 10,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.86 : 11,319.31 = 6,928.02 : x
  2. Step 2: Convert to fraction form
    7,550.86/11,319.31 = 6,928.02/x
  3. Step 3: Cross multiply
    7,550.86x = 11,319.31 × 6,928.02
  4. Step 4: Simplify right side
    7,550.86x = 78,420,406.07
  5. Step 5: Solve for x
    x = 78,420,406.07/7,550.86
  6. Step 6: Final answer
    x = 10,385.63

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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.