Home / 7,946.81-11,917.73-2,751.47

Finding the Fourth Proportional to 7,946.81, 11,917.73 and 2,751.47

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Solution

The fourth proportional to 7,946.81, 11,917.73 and 2,751.47 is: 4,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.81 : 11,917.73 = 2,751.47 : x
  2. Step 2: Convert to fraction form
    7,946.81/11,917.73 = 2,751.47/x
  3. Step 3: Cross multiply
    7,946.81x = 11,917.73 × 2,751.47
  4. Step 4: Simplify right side
    7,946.81x = 32,791,268.54
  5. Step 5: Solve for x
    x = 32,791,268.54/7,946.81
  6. Step 6: Final answer
    x = 4,126.34

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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.