Home / 5,813.28-8,021.58-3,422.58

Finding the Fourth Proportional to 5,813.28, 8,021.58 and 3,422.58

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Solution

The fourth proportional to 5,813.28, 8,021.58 and 3,422.58 is: 4,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.28 : 8,021.58 = 3,422.58 : x
  2. Step 2: Convert to fraction form
    5,813.28/8,021.58 = 3,422.58/x
  3. Step 3: Cross multiply
    5,813.28x = 8,021.58 × 3,422.58
  4. Step 4: Simplify right side
    5,813.28x = 27,454,499.28
  5. Step 5: Solve for x
    x = 27,454,499.28/5,813.28
  6. Step 6: Final answer
    x = 4,722.72

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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.