Home / 8,130.14-12,193.83-2,285.38

Finding the Fourth Proportional to 8,130.14, 12,193.83 and 2,285.38

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Solution

The fourth proportional to 8,130.14, 12,193.83 and 2,285.38 is: 3,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.14 : 12,193.83 = 2,285.38 : x
  2. Step 2: Convert to fraction form
    8,130.14/12,193.83 = 2,285.38/x
  3. Step 3: Cross multiply
    8,130.14x = 12,193.83 × 2,285.38
  4. Step 4: Simplify right side
    8,130.14x = 27,867,474.24
  5. Step 5: Solve for x
    x = 27,867,474.24/8,130.14
  6. Step 6: Final answer
    x = 3,427.67

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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.