Home / 5,112.10-7,669.30-1,825.19

Finding the Fourth Proportional to 5,112.10, 7,669.30 and 1,825.19

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Solution

The fourth proportional to 5,112.10, 7,669.30 and 1,825.19 is: 2,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.10 : 7,669.30 = 1,825.19 : x
  2. Step 2: Convert to fraction form
    5,112.10/7,669.30 = 1,825.19/x
  3. Step 3: Cross multiply
    5,112.10x = 7,669.30 × 1,825.19
  4. Step 4: Simplify right side
    5,112.10x = 13,997,929.67
  5. Step 5: Solve for x
    x = 13,997,929.67/5,112.10
  6. Step 6: Final answer
    x = 2,738.20

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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.