Home / 5,428.82-8,145.06-1,731.58

Finding the Fourth Proportional to 5,428.82, 8,145.06 and 1,731.58

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Solution

The fourth proportional to 5,428.82, 8,145.06 and 1,731.58 is: 2,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.82 : 8,145.06 = 1,731.58 : x
  2. Step 2: Convert to fraction form
    5,428.82/8,145.06 = 1,731.58/x
  3. Step 3: Cross multiply
    5,428.82x = 8,145.06 × 1,731.58
  4. Step 4: Simplify right side
    5,428.82x = 14,103,796.14
  5. Step 5: Solve for x
    x = 14,103,796.14/5,428.82
  6. Step 6: Final answer
    x = 2,597.95

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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.