Home / 6,748.32-10,121.73-1,818.45

Finding the Fourth Proportional to 6,748.32, 10,121.73 and 1,818.45

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Solution

The fourth proportional to 6,748.32, 10,121.73 and 1,818.45 is: 2,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.32 : 10,121.73 = 1,818.45 : x
  2. Step 2: Convert to fraction form
    6,748.32/10,121.73 = 1,818.45/x
  3. Step 3: Cross multiply
    6,748.32x = 10,121.73 × 1,818.45
  4. Step 4: Simplify right side
    6,748.32x = 18,405,859.92
  5. Step 5: Solve for x
    x = 18,405,859.92/6,748.32
  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.