Home / 4,190.36-6,284.93-1,268.89

Finding the Fourth Proportional to 4,190.36, 6,284.93 and 1,268.89

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Solution

The fourth proportional to 4,190.36, 6,284.93 and 1,268.89 is: 1,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.36 : 6,284.93 = 1,268.89 : x
  2. Step 2: Convert to fraction form
    4,190.36/6,284.93 = 1,268.89/x
  3. Step 3: Cross multiply
    4,190.36x = 6,284.93 × 1,268.89
  4. Step 4: Simplify right side
    4,190.36x = 7,974,862.77
  5. Step 5: Solve for x
    x = 7,974,862.77/4,190.36
  6. Step 6: Final answer
    x = 1,903.15

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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.