Home / 9,149.36-12,621.46-5,786.52

Finding the Fourth Proportional to 9,149.36, 12,621.46 and 5,786.52

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Solution

The fourth proportional to 9,149.36, 12,621.46 and 5,786.52 is: 7,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.36 : 12,621.46 = 5,786.52 : x
  2. Step 2: Convert to fraction form
    9,149.36/12,621.46 = 5,786.52/x
  3. Step 3: Cross multiply
    9,149.36x = 12,621.46 × 5,786.52
  4. Step 4: Simplify right side
    9,149.36x = 73,034,330.72
  5. Step 5: Solve for x
    x = 73,034,330.72/9,149.36
  6. Step 6: Final answer
    x = 7,982.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.