Home / 7,748.86-11,620.48-4,241.46

Finding the Fourth Proportional to 7,748.86, 11,620.48 and 4,241.46

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Solution

The fourth proportional to 7,748.86, 11,620.48 and 4,241.46 is: 6,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.86 : 11,620.48 = 4,241.46 : x
  2. Step 2: Convert to fraction form
    7,748.86/11,620.48 = 4,241.46/x
  3. Step 3: Cross multiply
    7,748.86x = 11,620.48 × 4,241.46
  4. Step 4: Simplify right side
    7,748.86x = 49,287,721.79
  5. Step 5: Solve for x
    x = 49,287,721.79/7,748.86
  6. Step 6: Final answer
    x = 6,360.64

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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.