Home / 4,069-5,613.34-2,389.86

Finding the Fourth Proportional to 4,069, 5,613.34 and 2,389.86

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Solution

The fourth proportional to 4,069, 5,613.34 and 2,389.86 is: 3,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069 : 5,613.34 = 2,389.86 : x
  2. Step 2: Convert to fraction form
    4,069/5,613.34 = 2,389.86/x
  3. Step 3: Cross multiply
    4,069x = 5,613.34 × 2,389.86
  4. Step 4: Simplify right side
    4,069x = 13,415,096.73
  5. Step 5: Solve for x
    x = 13,415,096.73/4,069
  6. Step 6: Final answer
    x = 3,296.90

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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.