Home / 4,208.48-6,312.60-1,286.66

Finding the Fourth Proportional to 4,208.48, 6,312.60 and 1,286.66

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Solution

The fourth proportional to 4,208.48, 6,312.60 and 1,286.66 is: 1,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.48 : 6,312.60 = 1,286.66 : x
  2. Step 2: Convert to fraction form
    4,208.48/6,312.60 = 1,286.66/x
  3. Step 3: Cross multiply
    4,208.48x = 6,312.60 × 1,286.66
  4. Step 4: Simplify right side
    4,208.48x = 8,122,169.92
  5. Step 5: Solve for x
    x = 8,122,169.92/4,208.48
  6. Step 6: Final answer
    x = 1,929.95

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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.