Home / 7,178.36-10,768.77-2,246.72

Finding the Fourth Proportional to 7,178.36, 10,768.77 and 2,246.72

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Solution

The fourth proportional to 7,178.36, 10,768.77 and 2,246.72 is: 3,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.36 : 10,768.77 = 2,246.72 : x
  2. Step 2: Convert to fraction form
    7,178.36/10,768.77 = 2,246.72/x
  3. Step 3: Cross multiply
    7,178.36x = 10,768.77 × 2,246.72
  4. Step 4: Simplify right side
    7,178.36x = 24,194,357.09
  5. Step 5: Solve for x
    x = 24,194,357.09/7,178.36
  6. Step 6: Final answer
    x = 3,370.46

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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.