Home / 6,748.74-10,122.75-1,818.54

Finding the Fourth Proportional to 6,748.74, 10,122.75 and 1,818.54

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Solution

The fourth proportional to 6,748.74, 10,122.75 and 1,818.54 is: 2,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.74 : 10,122.75 = 1,818.54 : x
  2. Step 2: Convert to fraction form
    6,748.74/10,122.75 = 1,818.54/x
  3. Step 3: Cross multiply
    6,748.74x = 10,122.75 × 1,818.54
  4. Step 4: Simplify right side
    6,748.74x = 18,408,625.79
  5. Step 5: Solve for x
    x = 18,408,625.79/6,748.74
  6. Step 6: Final answer
    x = 2,727.71

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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.