Home / 5,238.02-7,855.82-1,539.26

Finding the Fourth Proportional to 5,238.02, 7,855.82 and 1,539.26

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Solution

The fourth proportional to 5,238.02, 7,855.82 and 1,539.26 is: 2,308.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.02 : 7,855.82 = 1,539.26 : x
  2. Step 2: Convert to fraction form
    5,238.02/7,855.82 = 1,539.26/x
  3. Step 3: Cross multiply
    5,238.02x = 7,855.82 × 1,539.26
  4. Step 4: Simplify right side
    5,238.02x = 12,092,137.75
  5. Step 5: Solve for x
    x = 12,092,137.75/5,238.02
  6. Step 6: Final answer
    x = 2,308.53

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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.