Home / 5,315.34-7,973.09-2,028.62

Finding the Fourth Proportional to 5,315.34, 7,973.09 and 2,028.62

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Solution

The fourth proportional to 5,315.34, 7,973.09 and 2,028.62 is: 3,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.34 : 7,973.09 = 2,028.62 : x
  2. Step 2: Convert to fraction form
    5,315.34/7,973.09 = 2,028.62/x
  3. Step 3: Cross multiply
    5,315.34x = 7,973.09 × 2,028.62
  4. Step 4: Simplify right side
    5,315.34x = 16,174,327.43
  5. Step 5: Solve for x
    x = 16,174,327.43/5,315.34
  6. Step 6: Final answer
    x = 3,042.95

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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.