Home / 5,087.05-7,631.74-1,967.08

Finding the Fourth Proportional to 5,087.05, 7,631.74 and 1,967.08

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Solution

The fourth proportional to 5,087.05, 7,631.74 and 1,967.08 is: 2,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.05 : 7,631.74 = 1,967.08 : x
  2. Step 2: Convert to fraction form
    5,087.05/7,631.74 = 1,967.08/x
  3. Step 3: Cross multiply
    5,087.05x = 7,631.74 × 1,967.08
  4. Step 4: Simplify right side
    5,087.05x = 15,012,243.12
  5. Step 5: Solve for x
    x = 15,012,243.12/5,087.05
  6. Step 6: Final answer
    x = 2,951.07

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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.