Home / 4,930.80-6,802.56-3,162.12

Finding the Fourth Proportional to 4,930.80, 6,802.56 and 3,162.12

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Solution

The fourth proportional to 4,930.80, 6,802.56 and 3,162.12 is: 4,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.80 : 6,802.56 = 3,162.12 : x
  2. Step 2: Convert to fraction form
    4,930.80/6,802.56 = 3,162.12/x
  3. Step 3: Cross multiply
    4,930.80x = 6,802.56 × 3,162.12
  4. Step 4: Simplify right side
    4,930.80x = 21,510,511.03
  5. Step 5: Solve for x
    x = 21,510,511.03/4,930.80
  6. Step 6: Final answer
    x = 4,362.48

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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.