Home / 4,929.20-6,802.10-2,940.86

Finding the Fourth Proportional to 4,929.20, 6,802.10 and 2,940.86

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Solution

The fourth proportional to 4,929.20, 6,802.10 and 2,940.86 is: 4,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.20 : 6,802.10 = 2,940.86 : x
  2. Step 2: Convert to fraction form
    4,929.20/6,802.10 = 2,940.86/x
  3. Step 3: Cross multiply
    4,929.20x = 6,802.10 × 2,940.86
  4. Step 4: Simplify right side
    4,929.20x = 20,004,007.14
  5. Step 5: Solve for x
    x = 20,004,007.14/4,929.20
  6. Step 6: Final answer
    x = 4,058.26

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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.