Home / 6,313.21-8,708.61-3,951.25

Finding the Fourth Proportional to 6,313.21, 8,708.61 and 3,951.25

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Solution

The fourth proportional to 6,313.21, 8,708.61 and 3,951.25 is: 5,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.21 : 8,708.61 = 3,951.25 : x
  2. Step 2: Convert to fraction form
    6,313.21/8,708.61 = 3,951.25/x
  3. Step 3: Cross multiply
    6,313.21x = 8,708.61 × 3,951.25
  4. Step 4: Simplify right side
    6,313.21x = 34,409,888.31
  5. Step 5: Solve for x
    x = 34,409,888.31/6,313.21
  6. Step 6: Final answer
    x = 5,450.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.