Home / 8,133.24-12,189.60-4,427.76

Finding the Fourth Proportional to 8,133.24, 12,189.60 and 4,427.76

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Solution

The fourth proportional to 8,133.24, 12,189.60 and 4,427.76 is: 6,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.24 : 12,189.60 = 4,427.76 : x
  2. Step 2: Convert to fraction form
    8,133.24/12,189.60 = 4,427.76/x
  3. Step 3: Cross multiply
    8,133.24x = 12,189.60 × 4,427.76
  4. Step 4: Simplify right side
    8,133.24x = 53,972,623.30
  5. Step 5: Solve for x
    x = 53,972,623.30/8,133.24
  6. Step 6: Final answer
    x = 6,636.05

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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.