Home / 5,743.40-8,608.70-3,279.40

Finding the Fourth Proportional to 5,743.40, 8,608.70 and 3,279.40

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Solution

The fourth proportional to 5,743.40, 8,608.70 and 3,279.40 is: 4,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.40 : 8,608.70 = 3,279.40 : x
  2. Step 2: Convert to fraction form
    5,743.40/8,608.70 = 3,279.40/x
  3. Step 3: Cross multiply
    5,743.40x = 8,608.70 × 3,279.40
  4. Step 4: Simplify right side
    5,743.40x = 28,231,370.78
  5. Step 5: Solve for x
    x = 28,231,370.78/5,743.40
  6. Step 6: Final answer
    x = 4,915.45

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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.