Home / 5,509.26-8,264.40-1,811.49

Finding the Fourth Proportional to 5,509.26, 8,264.40 and 1,811.49

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Solution

The fourth proportional to 5,509.26, 8,264.40 and 1,811.49 is: 2,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.26 : 8,264.40 = 1,811.49 : x
  2. Step 2: Convert to fraction form
    5,509.26/8,264.40 = 1,811.49/x
  3. Step 3: Cross multiply
    5,509.26x = 8,264.40 × 1,811.49
  4. Step 4: Simplify right side
    5,509.26x = 14,970,877.96
  5. Step 5: Solve for x
    x = 14,970,877.96/5,509.26
  6. Step 6: Final answer
    x = 2,717.40

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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.