Home / 6,786.60-10,178.52-1,855.83

Finding the Fourth Proportional to 6,786.60, 10,178.52 and 1,855.83

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Solution

The fourth proportional to 6,786.60, 10,178.52 and 1,855.83 is: 2,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.60 : 10,178.52 = 1,855.83 : x
  2. Step 2: Convert to fraction form
    6,786.60/10,178.52 = 1,855.83/x
  3. Step 3: Cross multiply
    6,786.60x = 10,178.52 × 1,855.83
  4. Step 4: Simplify right side
    6,786.60x = 18,889,602.77
  5. Step 5: Solve for x
    x = 18,889,602.77/6,786.60
  6. Step 6: Final answer
    x = 2,783.37

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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.