Home / 5,685.87-7,850.37-3,562.28

Finding the Fourth Proportional to 5,685.87, 7,850.37 and 3,562.28

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Solution

The fourth proportional to 5,685.87, 7,850.37 and 3,562.28 is: 4,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.87 : 7,850.37 = 3,562.28 : x
  2. Step 2: Convert to fraction form
    5,685.87/7,850.37 = 3,562.28/x
  3. Step 3: Cross multiply
    5,685.87x = 7,850.37 × 3,562.28
  4. Step 4: Simplify right side
    5,685.87x = 27,965,216.04
  5. Step 5: Solve for x
    x = 27,965,216.04/5,685.87
  6. Step 6: Final answer
    x = 4,918.37

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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.