Home / 8,119.78-11,205.20-4,583.02

Finding the Fourth Proportional to 8,119.78, 11,205.20 and 4,583.02

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Solution

The fourth proportional to 8,119.78, 11,205.20 and 4,583.02 is: 6,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.78 : 11,205.20 = 4,583.02 : x
  2. Step 2: Convert to fraction form
    8,119.78/11,205.20 = 4,583.02/x
  3. Step 3: Cross multiply
    8,119.78x = 11,205.20 × 4,583.02
  4. Step 4: Simplify right side
    8,119.78x = 51,353,655.70
  5. Step 5: Solve for x
    x = 51,353,655.70/8,119.78
  6. Step 6: Final answer
    x = 6,324.51

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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.