Home / 7,979.37-11,969.88-3,053.16

Finding the Fourth Proportional to 7,979.37, 11,969.88 and 3,053.16

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Solution

The fourth proportional to 7,979.37, 11,969.88 and 3,053.16 is: 4,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.37 : 11,969.88 = 3,053.16 : x
  2. Step 2: Convert to fraction form
    7,979.37/11,969.88 = 3,053.16/x
  3. Step 3: Cross multiply
    7,979.37x = 11,969.88 × 3,053.16
  4. Step 4: Simplify right side
    7,979.37x = 36,545,891.34
  5. Step 5: Solve for x
    x = 36,545,891.34/7,979.37
  6. Step 6: Final answer
    x = 4,580.05

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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.