Home / 6,748.30-10,121.74-1,818.44

Finding the Fourth Proportional to 6,748.30, 10,121.74 and 1,818.44

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Solution

The fourth proportional to 6,748.30, 10,121.74 and 1,818.44 is: 2,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.30 : 10,121.74 = 1,818.44 : x
  2. Step 2: Convert to fraction form
    6,748.30/10,121.74 = 1,818.44/x
  3. Step 3: Cross multiply
    6,748.30x = 10,121.74 × 1,818.44
  4. Step 4: Simplify right side
    6,748.30x = 18,405,776.89
  5. Step 5: Solve for x
    x = 18,405,776.89/6,748.30
  6. Step 6: Final answer
    x = 2,727.47

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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.