Home / 5,965.60-8,940.30-3,985.60

Finding the Fourth Proportional to 5,965.60, 8,940.30 and 3,985.60

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Solution

The fourth proportional to 5,965.60, 8,940.30 and 3,985.60 is: 5,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,965.60 : 8,940.30 = 3,985.60 : x
  2. Step 2: Convert to fraction form
    5,965.60/8,940.30 = 3,985.60/x
  3. Step 3: Cross multiply
    5,965.60x = 8,940.30 × 3,985.60
  4. Step 4: Simplify right side
    5,965.60x = 35,632,459.68
  5. Step 5: Solve for x
    x = 35,632,459.68/5,965.60
  6. Step 6: Final answer
    x = 5,972.99

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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.