Home / 4,897.73-7,336.79-2,811.88

Finding the Fourth Proportional to 4,897.73, 7,336.79 and 2,811.88

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Solution

The fourth proportional to 4,897.73, 7,336.79 and 2,811.88 is: 4,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.73 : 7,336.79 = 2,811.88 : x
  2. Step 2: Convert to fraction form
    4,897.73/7,336.79 = 2,811.88/x
  3. Step 3: Cross multiply
    4,897.73x = 7,336.79 × 2,811.88
  4. Step 4: Simplify right side
    4,897.73x = 20,630,173.07
  5. Step 5: Solve for x
    x = 20,630,173.07/4,897.73
  6. Step 6: Final answer
    x = 4,212.19

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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.