Home / 7,679.65-11,511.04-2,998.25

Finding the Fourth Proportional to 7,679.65, 11,511.04 and 2,998.25

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Solution

The fourth proportional to 7,679.65, 11,511.04 and 2,998.25 is: 4,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.65 : 11,511.04 = 2,998.25 : x
  2. Step 2: Convert to fraction form
    7,679.65/11,511.04 = 2,998.25/x
  3. Step 3: Cross multiply
    7,679.65x = 11,511.04 × 2,998.25
  4. Step 4: Simplify right side
    7,679.65x = 34,512,975.68
  5. Step 5: Solve for x
    x = 34,512,975.68/7,679.65
  6. Step 6: Final answer
    x = 4,494.08

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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.