Home / 4,998.78-6,898.37-2,760.61

Finding the Fourth Proportional to 4,998.78, 6,898.37 and 2,760.61

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Solution

The fourth proportional to 4,998.78, 6,898.37 and 2,760.61 is: 3,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.78 : 6,898.37 = 2,760.61 : x
  2. Step 2: Convert to fraction form
    4,998.78/6,898.37 = 2,760.61/x
  3. Step 3: Cross multiply
    4,998.78x = 6,898.37 × 2,760.61
  4. Step 4: Simplify right side
    4,998.78x = 19,043,709.21
  5. Step 5: Solve for x
    x = 19,043,709.21/4,998.78
  6. Step 6: Final answer
    x = 3,809.67

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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.