Home / 5,509.70-8,262.80-1,811.07

Finding the Fourth Proportional to 5,509.70, 8,262.80 and 1,811.07

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Solution

The fourth proportional to 5,509.70, 8,262.80 and 1,811.07 is: 2,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.70 : 8,262.80 = 1,811.07 : x
  2. Step 2: Convert to fraction form
    5,509.70/8,262.80 = 1,811.07/x
  3. Step 3: Cross multiply
    5,509.70x = 8,262.80 × 1,811.07
  4. Step 4: Simplify right side
    5,509.70x = 14,964,509.20
  5. Step 5: Solve for x
    x = 14,964,509.20/5,509.70
  6. Step 6: Final answer
    x = 2,716.03

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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.