Home / 7,975.15-11,962.73-3,814.18

Finding the Fourth Proportional to 7,975.15, 11,962.73 and 3,814.18

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Solution

The fourth proportional to 7,975.15, 11,962.73 and 3,814.18 is: 5,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.15 : 11,962.73 = 3,814.18 : x
  2. Step 2: Convert to fraction form
    7,975.15/11,962.73 = 3,814.18/x
  3. Step 3: Cross multiply
    7,975.15x = 11,962.73 × 3,814.18
  4. Step 4: Simplify right side
    7,975.15x = 45,628,005.51
  5. Step 5: Solve for x
    x = 45,628,005.51/7,975.15
  6. Step 6: Final answer
    x = 5,721.27

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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.