Home / 5,081.94-7,617.68-3,438.64

Finding the Fourth Proportional to 5,081.94, 7,617.68 and 3,438.64

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Solution

The fourth proportional to 5,081.94, 7,617.68 and 3,438.64 is: 5,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.94 : 7,617.68 = 3,438.64 : x
  2. Step 2: Convert to fraction form
    5,081.94/7,617.68 = 3,438.64/x
  3. Step 3: Cross multiply
    5,081.94x = 7,617.68 × 3,438.64
  4. Step 4: Simplify right side
    5,081.94x = 26,194,459.16
  5. Step 5: Solve for x
    x = 26,194,459.16/5,081.94
  6. Step 6: Final answer
    x = 5,154.42

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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.