Home / 4,222.62-6,333.93-1,912.50

Finding the Fourth Proportional to 4,222.62, 6,333.93 and 1,912.50

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Solution

The fourth proportional to 4,222.62, 6,333.93 and 1,912.50 is: 2,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.62 : 6,333.93 = 1,912.50 : x
  2. Step 2: Convert to fraction form
    4,222.62/6,333.93 = 1,912.50/x
  3. Step 3: Cross multiply
    4,222.62x = 6,333.93 × 1,912.50
  4. Step 4: Simplify right side
    4,222.62x = 12,113,641.13
  5. Step 5: Solve for x
    x = 12,113,641.13/4,222.62
  6. Step 6: Final answer
    x = 2,868.75

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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.