Home / 4,205.98-6,309.87-1,284.50

Finding the Fourth Proportional to 4,205.98, 6,309.87 and 1,284.50

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Solution

The fourth proportional to 4,205.98, 6,309.87 and 1,284.50 is: 1,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.98 : 6,309.87 = 1,284.50 : x
  2. Step 2: Convert to fraction form
    4,205.98/6,309.87 = 1,284.50/x
  3. Step 3: Cross multiply
    4,205.98x = 6,309.87 × 1,284.50
  4. Step 4: Simplify right side
    4,205.98x = 8,105,028.02
  5. Step 5: Solve for x
    x = 8,105,028.02/4,205.98
  6. Step 6: Final answer
    x = 1,927.02

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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.