Home / 8,813.15-13,216.59-2,571.55

Finding the Fourth Proportional to 8,813.15, 13,216.59 and 2,571.55

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Solution

The fourth proportional to 8,813.15, 13,216.59 and 2,571.55 is: 3,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.15 : 13,216.59 = 2,571.55 : x
  2. Step 2: Convert to fraction form
    8,813.15/13,216.59 = 2,571.55/x
  3. Step 3: Cross multiply
    8,813.15x = 13,216.59 × 2,571.55
  4. Step 4: Simplify right side
    8,813.15x = 33,987,096.21
  5. Step 5: Solve for x
    x = 33,987,096.21/8,813.15
  6. Step 6: Final answer
    x = 3,856.41

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1.5x scale

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.