Home / 4,755.31-7,139.14-3,660.39

Finding the Fourth Proportional to 4,755.31, 7,139.14 and 3,660.39

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Solution

The fourth proportional to 4,755.31, 7,139.14 and 3,660.39 is: 5,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.31 : 7,139.14 = 3,660.39 : x
  2. Step 2: Convert to fraction form
    4,755.31/7,139.14 = 3,660.39/x
  3. Step 3: Cross multiply
    4,755.31x = 7,139.14 × 3,660.39
  4. Step 4: Simplify right side
    4,755.31x = 26,132,027.51
  5. Step 5: Solve for x
    x = 26,132,027.51/4,755.31
  6. Step 6: Final answer
    x = 5,495.34

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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.