Home / 8,740.26-13,111.88-3,201.35

Finding the Fourth Proportional to 8,740.26, 13,111.88 and 3,201.35

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Solution

The fourth proportional to 8,740.26, 13,111.88 and 3,201.35 is: 4,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.26 : 13,111.88 = 3,201.35 : x
  2. Step 2: Convert to fraction form
    8,740.26/13,111.88 = 3,201.35/x
  3. Step 3: Cross multiply
    8,740.26x = 13,111.88 × 3,201.35
  4. Step 4: Simplify right side
    8,740.26x = 41,975,635.47
  5. Step 5: Solve for x
    x = 41,975,635.47/8,740.26
  6. Step 6: Final answer
    x = 4,802.56

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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.