Home / 5,385.22-8,080.96-2,265

Finding the Fourth Proportional to 5,385.22, 8,080.96 and 2,265

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Solution

The fourth proportional to 5,385.22, 8,080.96 and 2,265 is: 3,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.22 : 8,080.96 = 2,265 : x
  2. Step 2: Convert to fraction form
    5,385.22/8,080.96 = 2,265/x
  3. Step 3: Cross multiply
    5,385.22x = 8,080.96 × 2,265
  4. Step 4: Simplify right side
    5,385.22x = 18,303,374.40
  5. Step 5: Solve for x
    x = 18,303,374.40/5,385.22
  6. Step 6: Final answer
    x = 3,398.82

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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.