Home / 8,187.26-12,270.62-3,501.77

Finding the Fourth Proportional to 8,187.26, 12,270.62 and 3,501.77

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Solution

The fourth proportional to 8,187.26, 12,270.62 and 3,501.77 is: 5,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.26 : 12,270.62 = 3,501.77 : x
  2. Step 2: Convert to fraction form
    8,187.26/12,270.62 = 3,501.77/x
  3. Step 3: Cross multiply
    8,187.26x = 12,270.62 × 3,501.77
  4. Step 4: Simplify right side
    8,187.26x = 42,968,889.00
  5. Step 5: Solve for x
    x = 42,968,889.00/8,187.26
  6. Step 6: Final answer
    x = 5,248.26

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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.