Home / 5,308.74-7,964.28-2,021.85

Finding the Fourth Proportional to 5,308.74, 7,964.28 and 2,021.85

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Solution

The fourth proportional to 5,308.74, 7,964.28 and 2,021.85 is: 3,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.74 : 7,964.28 = 2,021.85 : x
  2. Step 2: Convert to fraction form
    5,308.74/7,964.28 = 2,021.85/x
  3. Step 3: Cross multiply
    5,308.74x = 7,964.28 × 2,021.85
  4. Step 4: Simplify right side
    5,308.74x = 16,102,579.52
  5. Step 5: Solve for x
    x = 16,102,579.52/5,308.74
  6. Step 6: Final answer
    x = 3,033.22

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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.