Home / 3,957.26-5,454.14-3,425.09

Finding the Fourth Proportional to 3,957.26, 5,454.14 and 3,425.09

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Solution

The fourth proportional to 3,957.26, 5,454.14 and 3,425.09 is: 4,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.26 : 5,454.14 = 3,425.09 : x
  2. Step 2: Convert to fraction form
    3,957.26/5,454.14 = 3,425.09/x
  3. Step 3: Cross multiply
    3,957.26x = 5,454.14 × 3,425.09
  4. Step 4: Simplify right side
    3,957.26x = 18,680,875.98
  5. Step 5: Solve for x
    x = 18,680,875.98/3,957.26
  6. Step 6: Final answer
    x = 4,720.67

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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.