Home / 7,571.41-11,355.35-2,889.70

Finding the Fourth Proportional to 7,571.41, 11,355.35 and 2,889.70

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Solution

The fourth proportional to 7,571.41, 11,355.35 and 2,889.70 is: 4,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.41 : 11,355.35 = 2,889.70 : x
  2. Step 2: Convert to fraction form
    7,571.41/11,355.35 = 2,889.70/x
  3. Step 3: Cross multiply
    7,571.41x = 11,355.35 × 2,889.70
  4. Step 4: Simplify right side
    7,571.41x = 32,813,512.06
  5. Step 5: Solve for x
    x = 32,813,512.06/7,571.41
  6. Step 6: Final answer
    x = 4,333.87

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.