Home / 8,399.89-11,596.53-6,695.38

Finding the Fourth Proportional to 8,399.89, 11,596.53 and 6,695.38

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Solution

The fourth proportional to 8,399.89, 11,596.53 and 6,695.38 is: 9,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.89 : 11,596.53 = 6,695.38 : x
  2. Step 2: Convert to fraction form
    8,399.89/11,596.53 = 6,695.38/x
  3. Step 3: Cross multiply
    8,399.89x = 11,596.53 × 6,695.38
  4. Step 4: Simplify right side
    8,399.89x = 77,643,175.03
  5. Step 5: Solve for x
    x = 77,643,175.03/8,399.89
  6. Step 6: Final answer
    x = 9,243.36

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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.