Home / 5,428.92-8,144.94-1,731.45

Finding the Fourth Proportional to 5,428.92, 8,144.94 and 1,731.45

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Solution

The fourth proportional to 5,428.92, 8,144.94 and 1,731.45 is: 2,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.92 : 8,144.94 = 1,731.45 : x
  2. Step 2: Convert to fraction form
    5,428.92/8,144.94 = 1,731.45/x
  3. Step 3: Cross multiply
    5,428.92x = 8,144.94 × 1,731.45
  4. Step 4: Simplify right side
    5,428.92x = 14,102,556.36
  5. Step 5: Solve for x
    x = 14,102,556.36/5,428.92
  6. Step 6: Final answer
    x = 2,597.67

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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.