Home / 4,118.56-6,172.67-1,775.90

Finding the Fourth Proportional to 4,118.56, 6,172.67 and 1,775.90

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Solution

The fourth proportional to 4,118.56, 6,172.67 and 1,775.90 is: 2,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.56 : 6,172.67 = 1,775.90 : x
  2. Step 2: Convert to fraction form
    4,118.56/6,172.67 = 1,775.90/x
  3. Step 3: Cross multiply
    4,118.56x = 6,172.67 × 1,775.90
  4. Step 4: Simplify right side
    4,118.56x = 10,962,064.52
  5. Step 5: Solve for x
    x = 10,962,064.52/4,118.56
  6. Step 6: Final answer
    x = 2,661.63

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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.