Home / 7,783.34-11,668.38-3,397.52

Finding the Fourth Proportional to 7,783.34, 11,668.38 and 3,397.52

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Solution

The fourth proportional to 7,783.34, 11,668.38 and 3,397.52 is: 5,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.34 : 11,668.38 = 3,397.52 : x
  2. Step 2: Convert to fraction form
    7,783.34/11,668.38 = 3,397.52/x
  3. Step 3: Cross multiply
    7,783.34x = 11,668.38 × 3,397.52
  4. Step 4: Simplify right side
    7,783.34x = 39,643,554.42
  5. Step 5: Solve for x
    x = 39,643,554.42/7,783.34
  6. Step 6: Final answer
    x = 5,093.39

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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.