Home / 7,748.48-11,620-2,552.96

Finding the Fourth Proportional to 7,748.48, 11,620 and 2,552.96

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Solution

The fourth proportional to 7,748.48, 11,620 and 2,552.96 is: 3,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.48 : 11,620 = 2,552.96 : x
  2. Step 2: Convert to fraction form
    7,748.48/11,620 = 2,552.96/x
  3. Step 3: Cross multiply
    7,748.48x = 11,620 × 2,552.96
  4. Step 4: Simplify right side
    7,748.48x = 29,665,395.20
  5. Step 5: Solve for x
    x = 29,665,395.20/7,748.48
  6. Step 6: Final answer
    x = 3,828.54

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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.