Home / 8,782.58-13,173.87-2,208.83

Finding the Fourth Proportional to 8,782.58, 13,173.87 and 2,208.83

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Solution

The fourth proportional to 8,782.58, 13,173.87 and 2,208.83 is: 3,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.58 : 13,173.87 = 2,208.83 : x
  2. Step 2: Convert to fraction form
    8,782.58/13,173.87 = 2,208.83/x
  3. Step 3: Cross multiply
    8,782.58x = 13,173.87 × 2,208.83
  4. Step 4: Simplify right side
    8,782.58x = 29,098,773.40
  5. Step 5: Solve for x
    x = 29,098,773.40/8,782.58
  6. Step 6: Final answer
    x = 3,313.24

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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.