Home / 6,960.10-9,604.73-3,975.87

Finding the Fourth Proportional to 6,960.10, 9,604.73 and 3,975.87

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Solution

The fourth proportional to 6,960.10, 9,604.73 and 3,975.87 is: 5,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.10 : 9,604.73 = 3,975.87 : x
  2. Step 2: Convert to fraction form
    6,960.10/9,604.73 = 3,975.87/x
  3. Step 3: Cross multiply
    6,960.10x = 9,604.73 × 3,975.87
  4. Step 4: Simplify right side
    6,960.10x = 38,187,157.87
  5. Step 5: Solve for x
    x = 38,187,157.87/6,960.10
  6. Step 6: Final answer
    x = 5,486.59

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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.