Home / 7,784.34-11,680.97-2,853.33

Finding the Fourth Proportional to 7,784.34, 11,680.97 and 2,853.33

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Solution

The fourth proportional to 7,784.34, 11,680.97 and 2,853.33 is: 4,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.34 : 11,680.97 = 2,853.33 : x
  2. Step 2: Convert to fraction form
    7,784.34/11,680.97 = 2,853.33/x
  3. Step 3: Cross multiply
    7,784.34x = 11,680.97 × 2,853.33
  4. Step 4: Simplify right side
    7,784.34x = 33,329,647.86
  5. Step 5: Solve for x
    x = 33,329,647.86/7,784.34
  6. Step 6: Final answer
    x = 4,281.63

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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.