Home / 4,721.12-7,084.41-1,947.27

Finding the Fourth Proportional to 4,721.12, 7,084.41 and 1,947.27

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Solution

The fourth proportional to 4,721.12, 7,084.41 and 1,947.27 is: 2,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.12 : 7,084.41 = 1,947.27 : x
  2. Step 2: Convert to fraction form
    4,721.12/7,084.41 = 1,947.27/x
  3. Step 3: Cross multiply
    4,721.12x = 7,084.41 × 1,947.27
  4. Step 4: Simplify right side
    4,721.12x = 13,795,249.32
  5. Step 5: Solve for x
    x = 13,795,249.32/4,721.12
  6. Step 6: Final answer
    x = 2,922.03

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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.