Home / 5,425.73-8,138.59-1,962.17

Finding the Fourth Proportional to 5,425.73, 8,138.59 and 1,962.17

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Solution

The fourth proportional to 5,425.73, 8,138.59 and 1,962.17 is: 2,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.73 : 8,138.59 = 1,962.17 : x
  2. Step 2: Convert to fraction form
    5,425.73/8,138.59 = 1,962.17/x
  3. Step 3: Cross multiply
    5,425.73x = 8,138.59 × 1,962.17
  4. Step 4: Simplify right side
    5,425.73x = 15,969,297.14
  5. Step 5: Solve for x
    x = 15,969,297.14/5,425.73
  6. Step 6: Final answer
    x = 2,943.25

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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.