Home / 6,816.50-10,223.56-1,818.94

Finding the Fourth Proportional to 6,816.50, 10,223.56 and 1,818.94

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Solution

The fourth proportional to 6,816.50, 10,223.56 and 1,818.94 is: 2,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.50 : 10,223.56 = 1,818.94 : x
  2. Step 2: Convert to fraction form
    6,816.50/10,223.56 = 1,818.94/x
  3. Step 3: Cross multiply
    6,816.50x = 10,223.56 × 1,818.94
  4. Step 4: Simplify right side
    6,816.50x = 18,596,042.23
  5. Step 5: Solve for x
    x = 18,596,042.23/6,816.50
  6. Step 6: Final answer
    x = 2,728.09

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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.