Home / 8,749.31-13,116.53-4,072.04

Finding the Fourth Proportional to 8,749.31, 13,116.53 and 4,072.04

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Solution

The fourth proportional to 8,749.31, 13,116.53 and 4,072.04 is: 6,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.31 : 13,116.53 = 4,072.04 : x
  2. Step 2: Convert to fraction form
    8,749.31/13,116.53 = 4,072.04/x
  3. Step 3: Cross multiply
    8,749.31x = 13,116.53 × 4,072.04
  4. Step 4: Simplify right side
    8,749.31x = 53,410,969.24
  5. Step 5: Solve for x
    x = 53,410,969.24/8,749.31
  6. Step 6: Final answer
    x = 6,104.60

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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.