Home / 4,930.90-7,391.96-1,810.18

Finding the Fourth Proportional to 4,930.90, 7,391.96 and 1,810.18

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Solution

The fourth proportional to 4,930.90, 7,391.96 and 1,810.18 is: 2,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.90 : 7,391.96 = 1,810.18 : x
  2. Step 2: Convert to fraction form
    4,930.90/7,391.96 = 1,810.18/x
  3. Step 3: Cross multiply
    4,930.90x = 7,391.96 × 1,810.18
  4. Step 4: Simplify right side
    4,930.90x = 13,380,778.15
  5. Step 5: Solve for x
    x = 13,380,778.15/4,930.90
  6. Step 6: Final answer
    x = 2,713.66

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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.