Home / 8,180.34-11,289.60-4,644.66

Finding the Fourth Proportional to 8,180.34, 11,289.60 and 4,644.66

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Solution

The fourth proportional to 8,180.34, 11,289.60 and 4,644.66 is: 6,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.34 : 11,289.60 = 4,644.66 : x
  2. Step 2: Convert to fraction form
    8,180.34/11,289.60 = 4,644.66/x
  3. Step 3: Cross multiply
    8,180.34x = 11,289.60 × 4,644.66
  4. Step 4: Simplify right side
    8,180.34x = 52,436,353.54
  5. Step 5: Solve for x
    x = 52,436,353.54/8,180.34
  6. Step 6: Final answer
    x = 6,410.05

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,181.34, 11,290.98 and 4,645.66
Similar ratio
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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.