Home / 5,509.25-8,264.39-1,811.51

Finding the Fourth Proportional to 5,509.25, 8,264.39 and 1,811.51

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Solution

The fourth proportional to 5,509.25, 8,264.39 and 1,811.51 is: 2,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.25 : 8,264.39 = 1,811.51 : x
  2. Step 2: Convert to fraction form
    5,509.25/8,264.39 = 1,811.51/x
  3. Step 3: Cross multiply
    5,509.25x = 8,264.39 × 1,811.51
  4. Step 4: Simplify right side
    5,509.25x = 14,970,988.34
  5. Step 5: Solve for x
    x = 14,970,988.34/5,509.25
  6. Step 6: Final answer
    x = 2,717.43

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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.