Home / 4,938.09-6,815.93-2,949.99

Finding the Fourth Proportional to 4,938.09, 6,815.93 and 2,949.99

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Solution

The fourth proportional to 4,938.09, 6,815.93 and 2,949.99 is: 4,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.09 : 6,815.93 = 2,949.99 : x
  2. Step 2: Convert to fraction form
    4,938.09/6,815.93 = 2,949.99/x
  3. Step 3: Cross multiply
    4,938.09x = 6,815.93 × 2,949.99
  4. Step 4: Simplify right side
    4,938.09x = 20,106,910.59
  5. Step 5: Solve for x
    x = 20,106,910.59/4,938.09
  6. Step 6: Final answer
    x = 4,071.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.