Home / 4,755.32-7,134.78-2,156.48

Finding the Fourth Proportional to 4,755.32, 7,134.78 and 2,156.48

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Solution

The fourth proportional to 4,755.32, 7,134.78 and 2,156.48 is: 3,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.32 : 7,134.78 = 2,156.48 : x
  2. Step 2: Convert to fraction form
    4,755.32/7,134.78 = 2,156.48/x
  3. Step 3: Cross multiply
    4,755.32x = 7,134.78 × 2,156.48
  4. Step 4: Simplify right side
    4,755.32x = 15,386,010.37
  5. Step 5: Solve for x
    x = 15,386,010.37/4,755.32
  6. Step 6: Final answer
    x = 3,235.54

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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.