Home / 4,647.14-6,972.07-1,872.38

Finding the Fourth Proportional to 4,647.14, 6,972.07 and 1,872.38

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Solution

The fourth proportional to 4,647.14, 6,972.07 and 1,872.38 is: 2,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.14 : 6,972.07 = 1,872.38 : x
  2. Step 2: Convert to fraction form
    4,647.14/6,972.07 = 1,872.38/x
  3. Step 3: Cross multiply
    4,647.14x = 6,972.07 × 1,872.38
  4. Step 4: Simplify right side
    4,647.14x = 13,054,364.43
  5. Step 5: Solve for x
    x = 13,054,364.43/4,647.14
  6. Step 6: Final answer
    x = 2,809.12

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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.