Home / 6,316.97-8,717.27-3,960.41

Finding the Fourth Proportional to 6,316.97, 8,717.27 and 3,960.41

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Solution

The fourth proportional to 6,316.97, 8,717.27 and 3,960.41 is: 5,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.97 : 8,717.27 = 3,960.41 : x
  2. Step 2: Convert to fraction form
    6,316.97/8,717.27 = 3,960.41/x
  3. Step 3: Cross multiply
    6,316.97x = 8,717.27 × 3,960.41
  4. Step 4: Simplify right side
    6,316.97x = 34,523,899.89
  5. Step 5: Solve for x
    x = 34,523,899.89/6,316.97
  6. Step 6: Final answer
    x = 5,465.27

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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.