Home / 4,918.32-7,376.40-1,997.28

Finding the Fourth Proportional to 4,918.32, 7,376.40 and 1,997.28

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Solution

The fourth proportional to 4,918.32, 7,376.40 and 1,997.28 is: 2,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.32 : 7,376.40 = 1,997.28 : x
  2. Step 2: Convert to fraction form
    4,918.32/7,376.40 = 1,997.28/x
  3. Step 3: Cross multiply
    4,918.32x = 7,376.40 × 1,997.28
  4. Step 4: Simplify right side
    4,918.32x = 14,732,736.19
  5. Step 5: Solve for x
    x = 14,732,736.19/4,918.32
  6. Step 6: Final answer
    x = 2,995.48

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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.