Home / 4,339.55-5,989.67-3,896.68

Finding the Fourth Proportional to 4,339.55, 5,989.67 and 3,896.68

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Solution

The fourth proportional to 4,339.55, 5,989.67 and 3,896.68 is: 5,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.55 : 5,989.67 = 3,896.68 : x
  2. Step 2: Convert to fraction form
    4,339.55/5,989.67 = 3,896.68/x
  3. Step 3: Cross multiply
    4,339.55x = 5,989.67 × 3,896.68
  4. Step 4: Simplify right side
    4,339.55x = 23,339,827.30
  5. Step 5: Solve for x
    x = 23,339,827.30/4,339.55
  6. Step 6: Final answer
    x = 5,378.40

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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.