Home / 5,286.69-7,915.59-3,433.19

Finding the Fourth Proportional to 5,286.69, 7,915.59 and 3,433.19

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Solution

The fourth proportional to 5,286.69, 7,915.59 and 3,433.19 is: 5,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.69 : 7,915.59 = 3,433.19 : x
  2. Step 2: Convert to fraction form
    5,286.69/7,915.59 = 3,433.19/x
  3. Step 3: Cross multiply
    5,286.69x = 7,915.59 × 3,433.19
  4. Step 4: Simplify right side
    5,286.69x = 27,175,684.85
  5. Step 5: Solve for x
    x = 27,175,684.85/5,286.69
  6. Step 6: Final answer
    x = 5,140.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.