Home / 4,783.56-7,175.15-1,664.28

Finding the Fourth Proportional to 4,783.56, 7,175.15 and 1,664.28

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Solution

The fourth proportional to 4,783.56, 7,175.15 and 1,664.28 is: 2,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.56 : 7,175.15 = 1,664.28 : x
  2. Step 2: Convert to fraction form
    4,783.56/7,175.15 = 1,664.28/x
  3. Step 3: Cross multiply
    4,783.56x = 7,175.15 × 1,664.28
  4. Step 4: Simplify right side
    4,783.56x = 11,941,450.32
  5. Step 5: Solve for x
    x = 11,941,450.32/4,783.56
  6. Step 6: Final answer
    x = 2,496.35

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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.