Home / 6,786.39-9,369.80-4,238.04

Finding the Fourth Proportional to 6,786.39, 9,369.80 and 4,238.04

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Solution

The fourth proportional to 6,786.39, 9,369.80 and 4,238.04 is: 5,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.39 : 9,369.80 = 4,238.04 : x
  2. Step 2: Convert to fraction form
    6,786.39/9,369.80 = 4,238.04/x
  3. Step 3: Cross multiply
    6,786.39x = 9,369.80 × 4,238.04
  4. Step 4: Simplify right side
    6,786.39x = 39,709,566.00
  5. Step 5: Solve for x
    x = 39,709,566.00/6,786.39
  6. Step 6: Final answer
    x = 5,851.35

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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.