Home / 4,929.75-6,802.97-2,940.39

Finding the Fourth Proportional to 4,929.75, 6,802.97 and 2,940.39

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Solution

The fourth proportional to 4,929.75, 6,802.97 and 2,940.39 is: 4,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.75 : 6,802.97 = 2,940.39 : x
  2. Step 2: Convert to fraction form
    4,929.75/6,802.97 = 2,940.39/x
  3. Step 3: Cross multiply
    4,929.75x = 6,802.97 × 2,940.39
  4. Step 4: Simplify right side
    4,929.75x = 20,003,370.26
  5. Step 5: Solve for x
    x = 20,003,370.26/4,929.75
  6. Step 6: Final answer
    x = 4,057.68

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1.5x scale

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.