Home / 7,178.45-10,768.48-3,282.35

Finding the Fourth Proportional to 7,178.45, 10,768.48 and 3,282.35

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Solution

The fourth proportional to 7,178.45, 10,768.48 and 3,282.35 is: 4,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.45 : 10,768.48 = 3,282.35 : x
  2. Step 2: Convert to fraction form
    7,178.45/10,768.48 = 3,282.35/x
  3. Step 3: Cross multiply
    7,178.45x = 10,768.48 × 3,282.35
  4. Step 4: Simplify right side
    7,178.45x = 35,345,858.28
  5. Step 5: Solve for x
    x = 35,345,858.28/7,178.45
  6. Step 6: Final answer
    x = 4,923.89

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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.