Home / 7,926.32-11,889.62-2,998.28

Finding the Fourth Proportional to 7,926.32, 11,889.62 and 2,998.28

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Solution

The fourth proportional to 7,926.32, 11,889.62 and 2,998.28 is: 4,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.32 : 11,889.62 = 2,998.28 : x
  2. Step 2: Convert to fraction form
    7,926.32/11,889.62 = 2,998.28/x
  3. Step 3: Cross multiply
    7,926.32x = 11,889.62 × 2,998.28
  4. Step 4: Simplify right side
    7,926.32x = 35,648,335.41
  5. Step 5: Solve for x
    x = 35,648,335.41/7,926.32
  6. Step 6: Final answer
    x = 4,497.47

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Double scale
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Similar ratio
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1.5x scale

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.