Home / 5,425.38-8,137.16-1,528.88

Finding the Fourth Proportional to 5,425.38, 8,137.16 and 1,528.88

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Solution

The fourth proportional to 5,425.38, 8,137.16 and 1,528.88 is: 2,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.38 : 8,137.16 = 1,528.88 : x
  2. Step 2: Convert to fraction form
    5,425.38/8,137.16 = 1,528.88/x
  3. Step 3: Cross multiply
    5,425.38x = 8,137.16 × 1,528.88
  4. Step 4: Simplify right side
    5,425.38x = 12,440,698.58
  5. Step 5: Solve for x
    x = 12,440,698.58/5,425.38
  6. Step 6: Final answer
    x = 2,293.06

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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.