Home / 4,905.36-7,352.37-2,131.52

Finding the Fourth Proportional to 4,905.36, 7,352.37 and 2,131.52

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Solution

The fourth proportional to 4,905.36, 7,352.37 and 2,131.52 is: 3,194.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.36 : 7,352.37 = 2,131.52 : x
  2. Step 2: Convert to fraction form
    4,905.36/7,352.37 = 2,131.52/x
  3. Step 3: Cross multiply
    4,905.36x = 7,352.37 × 2,131.52
  4. Step 4: Simplify right side
    4,905.36x = 15,671,686.94
  5. Step 5: Solve for x
    x = 15,671,686.94/4,905.36
  6. Step 6: Final answer
    x = 3,194.81

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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.