Home / 9,982.81-14,976.78-3,742.91

Finding the Fourth Proportional to 9,982.81, 14,976.78 and 3,742.91

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Solution

The fourth proportional to 9,982.81, 14,976.78 and 3,742.91 is: 5,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.81 : 14,976.78 = 3,742.91 : x
  2. Step 2: Convert to fraction form
    9,982.81/14,976.78 = 3,742.91/x
  3. Step 3: Cross multiply
    9,982.81x = 14,976.78 × 3,742.91
  4. Step 4: Simplify right side
    9,982.81x = 56,056,739.63
  5. Step 5: Solve for x
    x = 56,056,739.63/9,982.81
  6. Step 6: Final answer
    x = 5,615.33

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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.