Home / 4,189.77-6,284.55-1,268.10

Finding the Fourth Proportional to 4,189.77, 6,284.55 and 1,268.10

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Solution

The fourth proportional to 4,189.77, 6,284.55 and 1,268.10 is: 1,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.77 : 6,284.55 = 1,268.10 : x
  2. Step 2: Convert to fraction form
    4,189.77/6,284.55 = 1,268.10/x
  3. Step 3: Cross multiply
    4,189.77x = 6,284.55 × 1,268.10
  4. Step 4: Simplify right side
    4,189.77x = 7,969,437.86
  5. Step 5: Solve for x
    x = 7,969,437.86/4,189.77
  6. Step 6: Final answer
    x = 1,902.12

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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.