Home / 4,755.36-7,134.73-2,122.63

Finding the Fourth Proportional to 4,755.36, 7,134.73 and 2,122.63

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Solution

The fourth proportional to 4,755.36, 7,134.73 and 2,122.63 is: 3,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.36 : 7,134.73 = 2,122.63 : x
  2. Step 2: Convert to fraction form
    4,755.36/7,134.73 = 2,122.63/x
  3. Step 3: Cross multiply
    4,755.36x = 7,134.73 × 2,122.63
  4. Step 4: Simplify right side
    4,755.36x = 15,144,345.65
  5. Step 5: Solve for x
    x = 15,144,345.65/4,755.36
  6. Step 6: Final answer
    x = 3,184.69

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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.