Home / 4,853.94-7,280.84-1,391.19

Finding the Fourth Proportional to 4,853.94, 7,280.84 and 1,391.19

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Solution

The fourth proportional to 4,853.94, 7,280.84 and 1,391.19 is: 2,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.94 : 7,280.84 = 1,391.19 : x
  2. Step 2: Convert to fraction form
    4,853.94/7,280.84 = 1,391.19/x
  3. Step 3: Cross multiply
    4,853.94x = 7,280.84 × 1,391.19
  4. Step 4: Simplify right side
    4,853.94x = 10,129,024.84
  5. Step 5: Solve for x
    x = 10,129,024.84/4,853.94
  6. Step 6: Final answer
    x = 2,086.76

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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.