Home / 4,228.91-6,343.97-1,307.46

Finding the Fourth Proportional to 4,228.91, 6,343.97 and 1,307.46

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Solution

The fourth proportional to 4,228.91, 6,343.97 and 1,307.46 is: 1,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.91 : 6,343.97 = 1,307.46 : x
  2. Step 2: Convert to fraction form
    4,228.91/6,343.97 = 1,307.46/x
  3. Step 3: Cross multiply
    4,228.91x = 6,343.97 × 1,307.46
  4. Step 4: Simplify right side
    4,228.91x = 8,294,480.48
  5. Step 5: Solve for x
    x = 8,294,480.48/4,228.91
  6. Step 6: Final answer
    x = 1,961.38

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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.