Home / 4,205.99-6,308.75-1,284.06

Finding the Fourth Proportional to 4,205.99, 6,308.75 and 1,284.06

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Solution

The fourth proportional to 4,205.99, 6,308.75 and 1,284.06 is: 1,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.99 : 6,308.75 = 1,284.06 : x
  2. Step 2: Convert to fraction form
    4,205.99/6,308.75 = 1,284.06/x
  3. Step 3: Cross multiply
    4,205.99x = 6,308.75 × 1,284.06
  4. Step 4: Simplify right side
    4,205.99x = 8,100,813.53
  5. Step 5: Solve for x
    x = 8,100,813.53/4,205.99
  6. Step 6: Final answer
    x = 1,926.02

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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.