Home / 4,767.75-7,147.17-1,992.69

Finding the Fourth Proportional to 4,767.75, 7,147.17 and 1,992.69

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Solution

The fourth proportional to 4,767.75, 7,147.17 and 1,992.69 is: 2,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.75 : 7,147.17 = 1,992.69 : x
  2. Step 2: Convert to fraction form
    4,767.75/7,147.17 = 1,992.69/x
  3. Step 3: Cross multiply
    4,767.75x = 7,147.17 × 1,992.69
  4. Step 4: Simplify right side
    4,767.75x = 14,242,094.19
  5. Step 5: Solve for x
    x = 14,242,094.19/4,767.75
  6. Step 6: Final answer
    x = 2,987.17

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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.