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Finding the Fourth Proportional to 6,788.68, 9,359.62 and 4,394.41

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Solution

The fourth proportional to 6,788.68, 9,359.62 and 4,394.41 is: 6,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.68 : 9,359.62 = 4,394.41 : x
  2. Step 2: Convert to fraction form
    6,788.68/9,359.62 = 4,394.41/x
  3. Step 3: Cross multiply
    6,788.68x = 9,359.62 × 4,394.41
  4. Step 4: Simplify right side
    6,788.68x = 41,129,973.34
  5. Step 5: Solve for x
    x = 41,129,973.34/6,788.68
  6. Step 6: Final answer
    x = 6,058.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.