Home / 7,984.08-11,971.08-2,718.72

Finding the Fourth Proportional to 7,984.08, 11,971.08 and 2,718.72

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Solution

The fourth proportional to 7,984.08, 11,971.08 and 2,718.72 is: 4,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.08 : 11,971.08 = 2,718.72 : x
  2. Step 2: Convert to fraction form
    7,984.08/11,971.08 = 2,718.72/x
  3. Step 3: Cross multiply
    7,984.08x = 11,971.08 × 2,718.72
  4. Step 4: Simplify right side
    7,984.08x = 32,546,014.62
  5. Step 5: Solve for x
    x = 32,546,014.62/7,984.08
  6. Step 6: Final answer
    x = 4,076.36

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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.