Home / 7,979.65-11,011.62-4,442.79

Finding the Fourth Proportional to 7,979.65, 11,011.62 and 4,442.79

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Solution

The fourth proportional to 7,979.65, 11,011.62 and 4,442.79 is: 6,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.65 : 11,011.62 = 4,442.79 : x
  2. Step 2: Convert to fraction form
    7,979.65/11,011.62 = 4,442.79/x
  3. Step 3: Cross multiply
    7,979.65x = 11,011.62 × 4,442.79
  4. Step 4: Simplify right side
    7,979.65x = 48,922,315.22
  5. Step 5: Solve for x
    x = 48,922,315.22/7,979.65
  6. Step 6: Final answer
    x = 6,130.88

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Why These Related Problems?

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