Home / 6,239.94-9,357.39-3,118.74

Finding the Fourth Proportional to 6,239.94, 9,357.39 and 3,118.74

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Solution

The fourth proportional to 6,239.94, 9,357.39 and 3,118.74 is: 4,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.94 : 9,357.39 = 3,118.74 : x
  2. Step 2: Convert to fraction form
    6,239.94/9,357.39 = 3,118.74/x
  3. Step 3: Cross multiply
    6,239.94x = 9,357.39 × 3,118.74
  4. Step 4: Simplify right side
    6,239.94x = 29,183,266.49
  5. Step 5: Solve for x
    x = 29,183,266.49/6,239.94
  6. Step 6: Final answer
    x = 4,676.85

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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.