Home / 4,738.70-7,109.88-1,816.32

Finding the Fourth Proportional to 4,738.70, 7,109.88 and 1,816.32

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Solution

The fourth proportional to 4,738.70, 7,109.88 and 1,816.32 is: 2,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.70 : 7,109.88 = 1,816.32 : x
  2. Step 2: Convert to fraction form
    4,738.70/7,109.88 = 1,816.32/x
  3. Step 3: Cross multiply
    4,738.70x = 7,109.88 × 1,816.32
  4. Step 4: Simplify right side
    4,738.70x = 12,913,837.09
  5. Step 5: Solve for x
    x = 12,913,837.09/4,738.70
  6. Step 6: Final answer
    x = 2,725.18

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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.