Home / 7,979.23-11,970.87-3,048.36

Finding the Fourth Proportional to 7,979.23, 11,970.87 and 3,048.36

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Solution

The fourth proportional to 7,979.23, 11,970.87 and 3,048.36 is: 4,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.23 : 11,970.87 = 3,048.36 : x
  2. Step 2: Convert to fraction form
    7,979.23/11,970.87 = 3,048.36/x
  3. Step 3: Cross multiply
    7,979.23x = 11,970.87 × 3,048.36
  4. Step 4: Simplify right side
    7,979.23x = 36,491,521.27
  5. Step 5: Solve for x
    x = 36,491,521.27/7,979.23
  6. Step 6: Final answer
    x = 4,573.31

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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.