Home / 4,969.75-6,859.70-3,313.75

Finding the Fourth Proportional to 4,969.75, 6,859.70 and 3,313.75

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Solution

The fourth proportional to 4,969.75, 6,859.70 and 3,313.75 is: 4,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.75 : 6,859.70 = 3,313.75 : x
  2. Step 2: Convert to fraction form
    4,969.75/6,859.70 = 3,313.75/x
  3. Step 3: Cross multiply
    4,969.75x = 6,859.70 × 3,313.75
  4. Step 4: Simplify right side
    4,969.75x = 22,731,314.31
  5. Step 5: Solve for x
    x = 22,731,314.31/4,969.75
  6. Step 6: Final answer
    x = 4,573.94

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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.