Home / 8,813.04-13,218.25-2,571.37

Finding the Fourth Proportional to 8,813.04, 13,218.25 and 2,571.37

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Solution

The fourth proportional to 8,813.04, 13,218.25 and 2,571.37 is: 3,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.04 : 13,218.25 = 2,571.37 : x
  2. Step 2: Convert to fraction form
    8,813.04/13,218.25 = 2,571.37/x
  3. Step 3: Cross multiply
    8,813.04x = 13,218.25 × 2,571.37
  4. Step 4: Simplify right side
    8,813.04x = 33,989,051.20
  5. Step 5: Solve for x
    x = 33,989,051.20/8,813.04
  6. Step 6: Final answer
    x = 3,856.68

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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.