Home / 5,476.38-8,219.45-2,556.34

Finding the Fourth Proportional to 5,476.38, 8,219.45 and 2,556.34

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Solution

The fourth proportional to 5,476.38, 8,219.45 and 2,556.34 is: 3,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.38 : 8,219.45 = 2,556.34 : x
  2. Step 2: Convert to fraction form
    5,476.38/8,219.45 = 2,556.34/x
  3. Step 3: Cross multiply
    5,476.38x = 8,219.45 × 2,556.34
  4. Step 4: Simplify right side
    5,476.38x = 21,011,708.81
  5. Step 5: Solve for x
    x = 21,011,708.81/5,476.38
  6. Step 6: Final answer
    x = 3,836.79

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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.