Home / 4,943.25-6,821.69-2,847.38

Finding the Fourth Proportional to 4,943.25, 6,821.69 and 2,847.38

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Solution

The fourth proportional to 4,943.25, 6,821.69 and 2,847.38 is: 3,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.25 : 6,821.69 = 2,847.38 : x
  2. Step 2: Convert to fraction form
    4,943.25/6,821.69 = 2,847.38/x
  3. Step 3: Cross multiply
    4,943.25x = 6,821.69 × 2,847.38
  4. Step 4: Simplify right side
    4,943.25x = 19,423,895.33
  5. Step 5: Solve for x
    x = 19,423,895.33/4,943.25
  6. Step 6: Final answer
    x = 3,929.38

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Half scale
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Double scale
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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.