Home / 7,979.07-11,964.61-4,648.45

Finding the Fourth Proportional to 7,979.07, 11,964.61 and 4,648.45

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Solution

The fourth proportional to 7,979.07, 11,964.61 and 4,648.45 is: 6,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.07 : 11,964.61 = 4,648.45 : x
  2. Step 2: Convert to fraction form
    7,979.07/11,964.61 = 4,648.45/x
  3. Step 3: Cross multiply
    7,979.07x = 11,964.61 × 4,648.45
  4. Step 4: Simplify right side
    7,979.07x = 55,616,891.35
  5. Step 5: Solve for x
    x = 55,616,891.35/7,979.07
  6. Step 6: Final answer
    x = 6,970.35

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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.