Home / 6,915.35-9,543.25-3,771.54

Finding the Fourth Proportional to 6,915.35, 9,543.25 and 3,771.54

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Solution

The fourth proportional to 6,915.35, 9,543.25 and 3,771.54 is: 5,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.35 : 9,543.25 = 3,771.54 : x
  2. Step 2: Convert to fraction form
    6,915.35/9,543.25 = 3,771.54/x
  3. Step 3: Cross multiply
    6,915.35x = 9,543.25 × 3,771.54
  4. Step 4: Simplify right side
    6,915.35x = 35,992,749.11
  5. Step 5: Solve for x
    x = 35,992,749.11/6,915.35
  6. Step 6: Final answer
    x = 5,204.76

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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.