Home / 6,212.76-8,574.38-3,855.25

Finding the Fourth Proportional to 6,212.76, 8,574.38 and 3,855.25

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Solution

The fourth proportional to 6,212.76, 8,574.38 and 3,855.25 is: 5,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.76 : 8,574.38 = 3,855.25 : x
  2. Step 2: Convert to fraction form
    6,212.76/8,574.38 = 3,855.25/x
  3. Step 3: Cross multiply
    6,212.76x = 8,574.38 × 3,855.25
  4. Step 4: Simplify right side
    6,212.76x = 33,056,378.50
  5. Step 5: Solve for x
    x = 33,056,378.50/6,212.76
  6. Step 6: Final answer
    x = 5,320.72

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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.