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Finding the Fourth Proportional to 5,985.62, 8,978.44 and 2,477.62

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Solution

The fourth proportional to 5,985.62, 8,978.44 and 2,477.62 is: 3,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.62 : 8,978.44 = 2,477.62 : x
  2. Step 2: Convert to fraction form
    5,985.62/8,978.44 = 2,477.62/x
  3. Step 3: Cross multiply
    5,985.62x = 8,978.44 × 2,477.62
  4. Step 4: Simplify right side
    5,985.62x = 22,245,162.51
  5. Step 5: Solve for x
    x = 22,245,162.51/5,985.62
  6. Step 6: Final answer
    x = 3,716.43

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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.