Home / 5,425.17-8,137.14-3,681.37

Finding the Fourth Proportional to 5,425.17, 8,137.14 and 3,681.37

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Solution

The fourth proportional to 5,425.17, 8,137.14 and 3,681.37 is: 5,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.17 : 8,137.14 = 3,681.37 : x
  2. Step 2: Convert to fraction form
    5,425.17/8,137.14 = 3,681.37/x
  3. Step 3: Cross multiply
    5,425.17x = 8,137.14 × 3,681.37
  4. Step 4: Simplify right side
    5,425.17x = 29,955,819.45
  5. Step 5: Solve for x
    x = 29,955,819.45/5,425.17
  6. Step 6: Final answer
    x = 5,521.64

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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.