Home / 8,773.40-12,086.70-6,115.96

Finding the Fourth Proportional to 8,773.40, 12,086.70 and 6,115.96

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Solution

The fourth proportional to 8,773.40, 12,086.70 and 6,115.96 is: 8,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.40 : 12,086.70 = 6,115.96 : x
  2. Step 2: Convert to fraction form
    8,773.40/12,086.70 = 6,115.96/x
  3. Step 3: Cross multiply
    8,773.40x = 12,086.70 × 6,115.96
  4. Step 4: Simplify right side
    8,773.40x = 73,921,773.73
  5. Step 5: Solve for x
    x = 73,921,773.73/8,773.40
  6. Step 6: Final answer
    x = 8,425.67

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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.