Home / 7,986.16-11,975.64-3,052.32

Finding the Fourth Proportional to 7,986.16, 11,975.64 and 3,052.32

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Solution

The fourth proportional to 7,986.16, 11,975.64 and 3,052.32 is: 4,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.16 : 11,975.64 = 3,052.32 : x
  2. Step 2: Convert to fraction form
    7,986.16/11,975.64 = 3,052.32/x
  3. Step 3: Cross multiply
    7,986.16x = 11,975.64 × 3,052.32
  4. Step 4: Simplify right side
    7,986.16x = 36,553,485.48
  5. Step 5: Solve for x
    x = 36,553,485.48/7,986.16
  6. Step 6: Final answer
    x = 4,577.10

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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.