Home / 7,203.89-10,785.46-3,818.97

Finding the Fourth Proportional to 7,203.89, 10,785.46 and 3,818.97

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Solution

The fourth proportional to 7,203.89, 10,785.46 and 3,818.97 is: 5,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.89 : 10,785.46 = 3,818.97 : x
  2. Step 2: Convert to fraction form
    7,203.89/10,785.46 = 3,818.97/x
  3. Step 3: Cross multiply
    7,203.89x = 10,785.46 × 3,818.97
  4. Step 4: Simplify right side
    7,203.89x = 41,189,338.63
  5. Step 5: Solve for x
    x = 41,189,338.63/7,203.89
  6. Step 6: Final answer
    x = 5,717.66

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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.