Home / 4,148.32-6,221.80-1,225.94

Finding the Fourth Proportional to 4,148.32, 6,221.80 and 1,225.94

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Solution

The fourth proportional to 4,148.32, 6,221.80 and 1,225.94 is: 1,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.32 : 6,221.80 = 1,225.94 : x
  2. Step 2: Convert to fraction form
    4,148.32/6,221.80 = 1,225.94/x
  3. Step 3: Cross multiply
    4,148.32x = 6,221.80 × 1,225.94
  4. Step 4: Simplify right side
    4,148.32x = 7,627,553.49
  5. Step 5: Solve for x
    x = 7,627,553.49/4,148.32
  6. Step 6: Final answer
    x = 1,838.71

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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.