Home / 8,121.14-11,205.55-4,583.67

Finding the Fourth Proportional to 8,121.14, 11,205.55 and 4,583.67

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Solution

The fourth proportional to 8,121.14, 11,205.55 and 4,583.67 is: 6,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.14 : 11,205.55 = 4,583.67 : x
  2. Step 2: Convert to fraction form
    8,121.14/11,205.55 = 4,583.67/x
  3. Step 3: Cross multiply
    8,121.14x = 11,205.55 × 4,583.67
  4. Step 4: Simplify right side
    8,121.14x = 51,362,543.37
  5. Step 5: Solve for x
    x = 51,362,543.37/8,121.14
  6. Step 6: Final answer
    x = 6,324.55

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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.