Home / 5,021.61-7,539.31-2,558.09

Finding the Fourth Proportional to 5,021.61, 7,539.31 and 2,558.09

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Solution

The fourth proportional to 5,021.61, 7,539.31 and 2,558.09 is: 3,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.61 : 7,539.31 = 2,558.09 : x
  2. Step 2: Convert to fraction form
    5,021.61/7,539.31 = 2,558.09/x
  3. Step 3: Cross multiply
    5,021.61x = 7,539.31 × 2,558.09
  4. Step 4: Simplify right side
    5,021.61x = 19,286,233.52
  5. Step 5: Solve for x
    x = 19,286,233.52/5,021.61
  6. Step 6: Final answer
    x = 3,840.65

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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.