Home / 5,425.76-8,138.88-2,302.64

Finding the Fourth Proportional to 5,425.76, 8,138.88 and 2,302.64

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Solution

The fourth proportional to 5,425.76, 8,138.88 and 2,302.64 is: 3,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.76 : 8,138.88 = 2,302.64 : x
  2. Step 2: Convert to fraction form
    5,425.76/8,138.88 = 2,302.64/x
  3. Step 3: Cross multiply
    5,425.76x = 8,138.88 × 2,302.64
  4. Step 4: Simplify right side
    5,425.76x = 18,740,910.64
  5. Step 5: Solve for x
    x = 18,740,910.64/5,425.76
  6. Step 6: Final answer
    x = 3,454.06

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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.