Home / 6,786.04-10,178.72-1,855.58

Finding the Fourth Proportional to 6,786.04, 10,178.72 and 1,855.58

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Solution

The fourth proportional to 6,786.04, 10,178.72 and 1,855.58 is: 2,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.04 : 10,178.72 = 1,855.58 : x
  2. Step 2: Convert to fraction form
    6,786.04/10,178.72 = 1,855.58/x
  3. Step 3: Cross multiply
    6,786.04x = 10,178.72 × 1,855.58
  4. Step 4: Simplify right side
    6,786.04x = 18,887,429.26
  5. Step 5: Solve for x
    x = 18,887,429.26/6,786.04
  6. Step 6: Final answer
    x = 2,783.28

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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.