Home / 7,750.98-11,619.38-3,366.86

Finding the Fourth Proportional to 7,750.98, 11,619.38 and 3,366.86

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Solution

The fourth proportional to 7,750.98, 11,619.38 and 3,366.86 is: 5,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.98 : 11,619.38 = 3,366.86 : x
  2. Step 2: Convert to fraction form
    7,750.98/11,619.38 = 3,366.86/x
  3. Step 3: Cross multiply
    7,750.98x = 11,619.38 × 3,366.86
  4. Step 4: Simplify right side
    7,750.98x = 39,120,776.07
  5. Step 5: Solve for x
    x = 39,120,776.07/7,750.98
  6. Step 6: Final answer
    x = 5,047.20

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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.