Home / 9,807.20-14,712.48-3,231.60

Finding the Fourth Proportional to 9,807.20, 14,712.48 and 3,231.60

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Solution

The fourth proportional to 9,807.20, 14,712.48 and 3,231.60 is: 4,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.20 : 14,712.48 = 3,231.60 : x
  2. Step 2: Convert to fraction form
    9,807.20/14,712.48 = 3,231.60/x
  3. Step 3: Cross multiply
    9,807.20x = 14,712.48 × 3,231.60
  4. Step 4: Simplify right side
    9,807.20x = 47,544,850.37
  5. Step 5: Solve for x
    x = 47,544,850.37/9,807.20
  6. Step 6: Final answer
    x = 4,847.95

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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.