Home / 5,317.15-7,977.09-2,028.45

Finding the Fourth Proportional to 5,317.15, 7,977.09 and 2,028.45

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Solution

The fourth proportional to 5,317.15, 7,977.09 and 2,028.45 is: 3,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.15 : 7,977.09 = 2,028.45 : x
  2. Step 2: Convert to fraction form
    5,317.15/7,977.09 = 2,028.45/x
  3. Step 3: Cross multiply
    5,317.15x = 7,977.09 × 2,028.45
  4. Step 4: Simplify right side
    5,317.15x = 16,181,135.82
  5. Step 5: Solve for x
    x = 16,181,135.82/5,317.15
  6. Step 6: Final answer
    x = 3,043.20

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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.