Home / 6,121.50-9,183.69-2,017.50

Finding the Fourth Proportional to 6,121.50, 9,183.69 and 2,017.50

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Solution

The fourth proportional to 6,121.50, 9,183.69 and 2,017.50 is: 3,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.50 : 9,183.69 = 2,017.50 : x
  2. Step 2: Convert to fraction form
    6,121.50/9,183.69 = 2,017.50/x
  3. Step 3: Cross multiply
    6,121.50x = 9,183.69 × 2,017.50
  4. Step 4: Simplify right side
    6,121.50x = 18,528,094.58
  5. Step 5: Solve for x
    x = 18,528,094.58/6,121.50
  6. Step 6: Final answer
    x = 3,026.72

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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.