Home / 4,112.72-6,172.25-1,649.10

Finding the Fourth Proportional to 4,112.72, 6,172.25 and 1,649.10

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Solution

The fourth proportional to 4,112.72, 6,172.25 and 1,649.10 is: 2,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.72 : 6,172.25 = 1,649.10 : x
  2. Step 2: Convert to fraction form
    4,112.72/6,172.25 = 1,649.10/x
  3. Step 3: Cross multiply
    4,112.72x = 6,172.25 × 1,649.10
  4. Step 4: Simplify right side
    4,112.72x = 10,178,649.23
  5. Step 5: Solve for x
    x = 10,178,649.23/4,112.72
  6. Step 6: Final answer
    x = 2,474.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.