Home / 3,915.06-5,861.07-2,613.30

Finding the Fourth Proportional to 3,915.06, 5,861.07 and 2,613.30

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Solution

The fourth proportional to 3,915.06, 5,861.07 and 2,613.30 is: 3,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.06 : 5,861.07 = 2,613.30 : x
  2. Step 2: Convert to fraction form
    3,915.06/5,861.07 = 2,613.30/x
  3. Step 3: Cross multiply
    3,915.06x = 5,861.07 × 2,613.30
  4. Step 4: Simplify right side
    3,915.06x = 15,316,734.23
  5. Step 5: Solve for x
    x = 15,316,734.23/3,915.06
  6. Step 6: Final answer
    x = 3,912.26

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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.