Home / 4,189.61-6,286.47-2,964.89

Finding the Fourth Proportional to 4,189.61, 6,286.47 and 2,964.89

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Solution

The fourth proportional to 4,189.61, 6,286.47 and 2,964.89 is: 4,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.61 : 6,286.47 = 2,964.89 : x
  2. Step 2: Convert to fraction form
    4,189.61/6,286.47 = 2,964.89/x
  3. Step 3: Cross multiply
    4,189.61x = 6,286.47 × 2,964.89
  4. Step 4: Simplify right side
    4,189.61x = 18,638,707.75
  5. Step 5: Solve for x
    x = 18,638,707.75/4,189.61
  6. Step 6: Final answer
    x = 4,448.79

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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.