Home / 4,905.15-7,354.89-1,617.36

Finding the Fourth Proportional to 4,905.15, 7,354.89 and 1,617.36

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Solution

The fourth proportional to 4,905.15, 7,354.89 and 1,617.36 is: 2,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.15 : 7,354.89 = 1,617.36 : x
  2. Step 2: Convert to fraction form
    4,905.15/7,354.89 = 1,617.36/x
  3. Step 3: Cross multiply
    4,905.15x = 7,354.89 × 1,617.36
  4. Step 4: Simplify right side
    4,905.15x = 11,895,504.89
  5. Step 5: Solve for x
    x = 11,895,504.89/4,905.15
  6. Step 6: Final answer
    x = 2,425.11

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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.