Home / 6,945.85-9,586.64-3,961.40

Finding the Fourth Proportional to 6,945.85, 9,586.64 and 3,961.40

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Solution

The fourth proportional to 6,945.85, 9,586.64 and 3,961.40 is: 5,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.85 : 9,586.64 = 3,961.40 : x
  2. Step 2: Convert to fraction form
    6,945.85/9,586.64 = 3,961.40/x
  3. Step 3: Cross multiply
    6,945.85x = 9,586.64 × 3,961.40
  4. Step 4: Simplify right side
    6,945.85x = 37,976,495.89
  5. Step 5: Solve for x
    x = 37,976,495.89/6,945.85
  6. Step 6: Final answer
    x = 5,467.51

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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.