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Finding the Fourth Proportional to 6,396.99, 9,597.40 and 3,866.91

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Solution

The fourth proportional to 6,396.99, 9,597.40 and 3,866.91 is: 5,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.99 : 9,597.40 = 3,866.91 : x
  2. Step 2: Convert to fraction form
    6,396.99/9,597.40 = 3,866.91/x
  3. Step 3: Cross multiply
    6,396.99x = 9,597.40 × 3,866.91
  4. Step 4: Simplify right side
    6,396.99x = 37,112,282.03
  5. Step 5: Solve for x
    x = 37,112,282.03/6,396.99
  6. Step 6: Final answer
    x = 5,801.52

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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.