Home / 4,929.49-6,802.68-2,940.13

Finding the Fourth Proportional to 4,929.49, 6,802.68 and 2,940.13

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Solution

The fourth proportional to 4,929.49, 6,802.68 and 2,940.13 is: 4,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.49 : 6,802.68 = 2,940.13 : x
  2. Step 2: Convert to fraction form
    4,929.49/6,802.68 = 2,940.13/x
  3. Step 3: Cross multiply
    4,929.49x = 6,802.68 × 2,940.13
  4. Step 4: Simplify right side
    4,929.49x = 20,000,763.55
  5. Step 5: Solve for x
    x = 20,000,763.55/4,929.49
  6. Step 6: Final answer
    x = 4,057.37

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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.