Home / 8,252.69-11,377.32-7,994.21

Finding the Fourth Proportional to 8,252.69, 11,377.32 and 7,994.21

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Solution

The fourth proportional to 8,252.69, 11,377.32 and 7,994.21 is: 11,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.69 : 11,377.32 = 7,994.21 : x
  2. Step 2: Convert to fraction form
    8,252.69/11,377.32 = 7,994.21/x
  3. Step 3: Cross multiply
    8,252.69x = 11,377.32 × 7,994.21
  4. Step 4: Simplify right side
    8,252.69x = 90,952,685.32
  5. Step 5: Solve for x
    x = 90,952,685.32/8,252.69
  6. Step 6: Final answer
    x = 11,020.97

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Half scale
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Double scale
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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.