Home / 4,148.35-6,221.58-1,225.96

Finding the Fourth Proportional to 4,148.35, 6,221.58 and 1,225.96

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Solution

The fourth proportional to 4,148.35, 6,221.58 and 1,225.96 is: 1,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.35 : 6,221.58 = 1,225.96 : x
  2. Step 2: Convert to fraction form
    4,148.35/6,221.58 = 1,225.96/x
  3. Step 3: Cross multiply
    4,148.35x = 6,221.58 × 1,225.96
  4. Step 4: Simplify right side
    4,148.35x = 7,627,408.22
  5. Step 5: Solve for x
    x = 7,627,408.22/4,148.35
  6. Step 6: Final answer
    x = 1,838.66

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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.