Home / 4,147.44-6,221.16-1,225.52

Finding the Fourth Proportional to 4,147.44, 6,221.16 and 1,225.52

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Solution

The fourth proportional to 4,147.44, 6,221.16 and 1,225.52 is: 1,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.44 : 6,221.16 = 1,225.52 : x
  2. Step 2: Convert to fraction form
    4,147.44/6,221.16 = 1,225.52/x
  3. Step 3: Cross multiply
    4,147.44x = 6,221.16 × 1,225.52
  4. Step 4: Simplify right side
    4,147.44x = 7,624,122.60
  5. Step 5: Solve for x
    x = 7,624,122.60/4,147.44
  6. Step 6: Final answer
    x = 1,838.27

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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.