Home / 4,930.72-6,804.57-2,942.80

Finding the Fourth Proportional to 4,930.72, 6,804.57 and 2,942.80

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Solution

The fourth proportional to 4,930.72, 6,804.57 and 2,942.80 is: 4,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.72 : 6,804.57 = 2,942.80 : x
  2. Step 2: Convert to fraction form
    4,930.72/6,804.57 = 2,942.80/x
  3. Step 3: Cross multiply
    4,930.72x = 6,804.57 × 2,942.80
  4. Step 4: Simplify right side
    4,930.72x = 20,024,488.60
  5. Step 5: Solve for x
    x = 20,024,488.60/4,930.72
  6. Step 6: Final answer
    x = 4,061.17

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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.