Home / 5,245.49-7,868.27-2,125.56

Finding the Fourth Proportional to 5,245.49, 7,868.27 and 2,125.56

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Solution

The fourth proportional to 5,245.49, 7,868.27 and 2,125.56 is: 3,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.49 : 7,868.27 = 2,125.56 : x
  2. Step 2: Convert to fraction form
    5,245.49/7,868.27 = 2,125.56/x
  3. Step 3: Cross multiply
    5,245.49x = 7,868.27 × 2,125.56
  4. Step 4: Simplify right side
    5,245.49x = 16,724,458.59
  5. Step 5: Solve for x
    x = 16,724,458.59/5,245.49
  6. Step 6: Final answer
    x = 3,188.35

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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.