Home / 8,788.65-13,185.09-2,945.09

Finding the Fourth Proportional to 8,788.65, 13,185.09 and 2,945.09

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Solution

The fourth proportional to 8,788.65, 13,185.09 and 2,945.09 is: 4,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.65 : 13,185.09 = 2,945.09 : x
  2. Step 2: Convert to fraction form
    8,788.65/13,185.09 = 2,945.09/x
  3. Step 3: Cross multiply
    8,788.65x = 13,185.09 × 2,945.09
  4. Step 4: Simplify right side
    8,788.65x = 38,831,210.78
  5. Step 5: Solve for x
    x = 38,831,210.78/8,788.65
  6. Step 6: Final answer
    x = 4,418.34

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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.