Home / 8,125.20-12,184.44-2,858.99

Finding the Fourth Proportional to 8,125.20, 12,184.44 and 2,858.99

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Solution

The fourth proportional to 8,125.20, 12,184.44 and 2,858.99 is: 4,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.20 : 12,184.44 = 2,858.99 : x
  2. Step 2: Convert to fraction form
    8,125.20/12,184.44 = 2,858.99/x
  3. Step 3: Cross multiply
    8,125.20x = 12,184.44 × 2,858.99
  4. Step 4: Simplify right side
    8,125.20x = 34,835,131.19
  5. Step 5: Solve for x
    x = 34,835,131.19/8,125.20
  6. Step 6: Final answer
    x = 4,287.30

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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.