Home / 9,739.78-14,611.39-3,164.81

Finding the Fourth Proportional to 9,739.78, 14,611.39 and 3,164.81

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Solution

The fourth proportional to 9,739.78, 14,611.39 and 3,164.81 is: 4,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.78 : 14,611.39 = 3,164.81 : x
  2. Step 2: Convert to fraction form
    9,739.78/14,611.39 = 3,164.81/x
  3. Step 3: Cross multiply
    9,739.78x = 14,611.39 × 3,164.81
  4. Step 4: Simplify right side
    9,739.78x = 46,242,192.22
  5. Step 5: Solve for x
    x = 46,242,192.22/9,739.78
  6. Step 6: Final answer
    x = 4,747.77

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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.