Home / 6,786.07-10,178.98-1,788.37

Finding the Fourth Proportional to 6,786.07, 10,178.98 and 1,788.37

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Solution

The fourth proportional to 6,786.07, 10,178.98 and 1,788.37 is: 2,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.07 : 10,178.98 = 1,788.37 : x
  2. Step 2: Convert to fraction form
    6,786.07/10,178.98 = 1,788.37/x
  3. Step 3: Cross multiply
    6,786.07x = 10,178.98 × 1,788.37
  4. Step 4: Simplify right side
    6,786.07x = 18,203,782.46
  5. Step 5: Solve for x
    x = 18,203,782.46/6,786.07
  6. Step 6: Final answer
    x = 2,682.52

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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.