Home / 6,960.21-9,604.47-4,272.90

Finding the Fourth Proportional to 6,960.21, 9,604.47 and 4,272.90

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Solution

The fourth proportional to 6,960.21, 9,604.47 and 4,272.90 is: 5,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.21 : 9,604.47 = 4,272.90 : x
  2. Step 2: Convert to fraction form
    6,960.21/9,604.47 = 4,272.90/x
  3. Step 3: Cross multiply
    6,960.21x = 9,604.47 × 4,272.90
  4. Step 4: Simplify right side
    6,960.21x = 41,038,939.86
  5. Step 5: Solve for x
    x = 41,038,939.86/6,960.21
  6. Step 6: Final answer
    x = 5,896.22

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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.