Home / 4,723.44-7,086.21-1,391.77

Finding the Fourth Proportional to 4,723.44, 7,086.21 and 1,391.77

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Solution

The fourth proportional to 4,723.44, 7,086.21 and 1,391.77 is: 2,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.44 : 7,086.21 = 1,391.77 : x
  2. Step 2: Convert to fraction form
    4,723.44/7,086.21 = 1,391.77/x
  3. Step 3: Cross multiply
    4,723.44x = 7,086.21 × 1,391.77
  4. Step 4: Simplify right side
    4,723.44x = 9,862,374.49
  5. Step 5: Solve for x
    x = 9,862,374.49/4,723.44
  6. Step 6: Final answer
    x = 2,087.96

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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.