Home / 4,147.94-6,222.52-1,225.87

Finding the Fourth Proportional to 4,147.94, 6,222.52 and 1,225.87

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Solution

The fourth proportional to 4,147.94, 6,222.52 and 1,225.87 is: 1,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.94 : 6,222.52 = 1,225.87 : x
  2. Step 2: Convert to fraction form
    4,147.94/6,222.52 = 1,225.87/x
  3. Step 3: Cross multiply
    4,147.94x = 6,222.52 × 1,225.87
  4. Step 4: Simplify right side
    4,147.94x = 7,627,969.48
  5. Step 5: Solve for x
    x = 7,627,969.48/4,147.94
  6. Step 6: Final answer
    x = 1,838.98

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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.