Home / 7,945.74-11,921.04-3,017.16

Finding the Fourth Proportional to 7,945.74, 11,921.04 and 3,017.16

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Solution

The fourth proportional to 7,945.74, 11,921.04 and 3,017.16 is: 4,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.74 : 11,921.04 = 3,017.16 : x
  2. Step 2: Convert to fraction form
    7,945.74/11,921.04 = 3,017.16/x
  3. Step 3: Cross multiply
    7,945.74x = 11,921.04 × 3,017.16
  4. Step 4: Simplify right side
    7,945.74x = 35,967,685.05
  5. Step 5: Solve for x
    x = 35,967,685.05/7,945.74
  6. Step 6: Final answer
    x = 4,526.66

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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.