Home / 5,971.28-8,239.74-3,318.26

Finding the Fourth Proportional to 5,971.28, 8,239.74 and 3,318.26

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Solution

The fourth proportional to 5,971.28, 8,239.74 and 3,318.26 is: 4,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.28 : 8,239.74 = 3,318.26 : x
  2. Step 2: Convert to fraction form
    5,971.28/8,239.74 = 3,318.26/x
  3. Step 3: Cross multiply
    5,971.28x = 8,239.74 × 3,318.26
  4. Step 4: Simplify right side
    5,971.28x = 27,341,599.65
  5. Step 5: Solve for x
    x = 27,341,599.65/5,971.28
  6. Step 6: Final answer
    x = 4,578.85

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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.