Home / 4,082.15-5,636.54-3,136.44

Finding the Fourth Proportional to 4,082.15, 5,636.54 and 3,136.44

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Solution

The fourth proportional to 4,082.15, 5,636.54 and 3,136.44 is: 4,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.15 : 5,636.54 = 3,136.44 : x
  2. Step 2: Convert to fraction form
    4,082.15/5,636.54 = 3,136.44/x
  3. Step 3: Cross multiply
    4,082.15x = 5,636.54 × 3,136.44
  4. Step 4: Simplify right side
    4,082.15x = 17,678,644.46
  5. Step 5: Solve for x
    x = 17,678,644.46/4,082.15
  6. Step 6: Final answer
    x = 4,330.72

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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.