Home / 6,818.21-9,406.70-3,984.58

Finding the Fourth Proportional to 6,818.21, 9,406.70 and 3,984.58

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Solution

The fourth proportional to 6,818.21, 9,406.70 and 3,984.58 is: 5,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.21 : 9,406.70 = 3,984.58 : x
  2. Step 2: Convert to fraction form
    6,818.21/9,406.70 = 3,984.58/x
  3. Step 3: Cross multiply
    6,818.21x = 9,406.70 × 3,984.58
  4. Step 4: Simplify right side
    6,818.21x = 37,481,755.46
  5. Step 5: Solve for x
    x = 37,481,755.46/6,818.21
  6. Step 6: Final answer
    x = 5,497.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.