Home / 4,930.30-6,802.70-2,940.47

Finding the Fourth Proportional to 4,930.30, 6,802.70 and 2,940.47

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Solution

The fourth proportional to 4,930.30, 6,802.70 and 2,940.47 is: 4,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.30 : 6,802.70 = 2,940.47 : x
  2. Step 2: Convert to fraction form
    4,930.30/6,802.70 = 2,940.47/x
  3. Step 3: Cross multiply
    4,930.30x = 6,802.70 × 2,940.47
  4. Step 4: Simplify right side
    4,930.30x = 20,003,128.60
  5. Step 5: Solve for x
    x = 20,003,128.60/4,930.30
  6. Step 6: Final answer
    x = 4,057.18

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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.