Home / 7,609.22-11,415.27-2,678.30

Finding the Fourth Proportional to 7,609.22, 11,415.27 and 2,678.30

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Solution

The fourth proportional to 7,609.22, 11,415.27 and 2,678.30 is: 4,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.22 : 11,415.27 = 2,678.30 : x
  2. Step 2: Convert to fraction form
    7,609.22/11,415.27 = 2,678.30/x
  3. Step 3: Cross multiply
    7,609.22x = 11,415.27 × 2,678.30
  4. Step 4: Simplify right side
    7,609.22x = 30,573,517.64
  5. Step 5: Solve for x
    x = 30,573,517.64/7,609.22
  6. Step 6: Final answer
    x = 4,017.96

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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.