Home / 7,979.69-11,010.30-4,622.31

Finding the Fourth Proportional to 7,979.69, 11,010.30 and 4,622.31

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Solution

The fourth proportional to 7,979.69, 11,010.30 and 4,622.31 is: 6,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.69 : 11,010.30 = 4,622.31 : x
  2. Step 2: Convert to fraction form
    7,979.69/11,010.30 = 4,622.31/x
  3. Step 3: Cross multiply
    7,979.69x = 11,010.30 × 4,622.31
  4. Step 4: Simplify right side
    7,979.69x = 50,893,019.79
  5. Step 5: Solve for x
    x = 50,893,019.79/7,979.69
  6. Step 6: Final answer
    x = 6,377.82

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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.