Home / 5,509.85-8,265.99-1,811.93

Finding the Fourth Proportional to 5,509.85, 8,265.99 and 1,811.93

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Solution

The fourth proportional to 5,509.85, 8,265.99 and 1,811.93 is: 2,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.85 : 8,265.99 = 1,811.93 : x
  2. Step 2: Convert to fraction form
    5,509.85/8,265.99 = 1,811.93/x
  3. Step 3: Cross multiply
    5,509.85x = 8,265.99 × 1,811.93
  4. Step 4: Simplify right side
    5,509.85x = 14,977,395.26
  5. Step 5: Solve for x
    x = 14,977,395.26/5,509.85
  6. Step 6: Final answer
    x = 2,718.29

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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.