Home / 5,574.87-7,694.46-3,216.69

Finding the Fourth Proportional to 5,574.87, 7,694.46 and 3,216.69

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Solution

The fourth proportional to 5,574.87, 7,694.46 and 3,216.69 is: 4,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.87 : 7,694.46 = 3,216.69 : x
  2. Step 2: Convert to fraction form
    5,574.87/7,694.46 = 3,216.69/x
  3. Step 3: Cross multiply
    5,574.87x = 7,694.46 × 3,216.69
  4. Step 4: Simplify right side
    5,574.87x = 24,750,692.54
  5. Step 5: Solve for x
    x = 24,750,692.54/5,574.87
  6. Step 6: Final answer
    x = 4,439.69

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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.