Home / 4,911.36-7,365.24-1,623.84

Finding the Fourth Proportional to 4,911.36, 7,365.24 and 1,623.84

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Solution

The fourth proportional to 4,911.36, 7,365.24 and 1,623.84 is: 2,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.36 : 7,365.24 = 1,623.84 : x
  2. Step 2: Convert to fraction form
    4,911.36/7,365.24 = 1,623.84/x
  3. Step 3: Cross multiply
    4,911.36x = 7,365.24 × 1,623.84
  4. Step 4: Simplify right side
    4,911.36x = 11,959,971.32
  5. Step 5: Solve for x
    x = 11,959,971.32/4,911.36
  6. Step 6: Final answer
    x = 2,435.16

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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.