Home / 6,244.30-8,613.57-4,120.21

Finding the Fourth Proportional to 6,244.30, 8,613.57 and 4,120.21

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Solution

The fourth proportional to 6,244.30, 8,613.57 and 4,120.21 is: 5,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.30 : 8,613.57 = 4,120.21 : x
  2. Step 2: Convert to fraction form
    6,244.30/8,613.57 = 4,120.21/x
  3. Step 3: Cross multiply
    6,244.30x = 8,613.57 × 4,120.21
  4. Step 4: Simplify right side
    6,244.30x = 35,489,717.25
  5. Step 5: Solve for x
    x = 35,489,717.25/6,244.30
  6. Step 6: Final answer
    x = 5,683.54

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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.