Home / 6,741.36-10,112.04-1,811.70

Finding the Fourth Proportional to 6,741.36, 10,112.04 and 1,811.70

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Solution

The fourth proportional to 6,741.36, 10,112.04 and 1,811.70 is: 2,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.36 : 10,112.04 = 1,811.70 : x
  2. Step 2: Convert to fraction form
    6,741.36/10,112.04 = 1,811.70/x
  3. Step 3: Cross multiply
    6,741.36x = 10,112.04 × 1,811.70
  4. Step 4: Simplify right side
    6,741.36x = 18,319,982.87
  5. Step 5: Solve for x
    x = 18,319,982.87/6,741.36
  6. Step 6: Final answer
    x = 2,717.55

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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.