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Finding the Fourth Proportional to 6,796.30, 9,364.52 and 6,328.79

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Solution

The fourth proportional to 6,796.30, 9,364.52 and 6,328.79 is: 8,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,796.30 : 9,364.52 = 6,328.79 : x
  2. Step 2: Convert to fraction form
    6,796.30/9,364.52 = 6,328.79/x
  3. Step 3: Cross multiply
    6,796.30x = 9,364.52 × 6,328.79
  4. Step 4: Simplify right side
    6,796.30x = 59,266,048.89
  5. Step 5: Solve for x
    x = 59,266,048.89/6,796.30
  6. Step 6: Final answer
    x = 8,720.35

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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.