Home / 7,979.51-11,010.94-4,442.65

Finding the Fourth Proportional to 7,979.51, 11,010.94 and 4,442.65

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Solution

The fourth proportional to 7,979.51, 11,010.94 and 4,442.65 is: 6,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.51 : 11,010.94 = 4,442.65 : x
  2. Step 2: Convert to fraction form
    7,979.51/11,010.94 = 4,442.65/x
  3. Step 3: Cross multiply
    7,979.51x = 11,010.94 × 4,442.65
  4. Step 4: Simplify right side
    7,979.51x = 48,917,713.96
  5. Step 5: Solve for x
    x = 48,917,713.96/7,979.51
  6. Step 6: Final answer
    x = 6,130.41

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1.5x scale

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.