Home / 5,815.80-8,727.29-2,305.22

Finding the Fourth Proportional to 5,815.80, 8,727.29 and 2,305.22

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Solution

The fourth proportional to 5,815.80, 8,727.29 and 2,305.22 is: 3,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.80 : 8,727.29 = 2,305.22 : x
  2. Step 2: Convert to fraction form
    5,815.80/8,727.29 = 2,305.22/x
  3. Step 3: Cross multiply
    5,815.80x = 8,727.29 × 2,305.22
  4. Step 4: Simplify right side
    5,815.80x = 20,118,268.29
  5. Step 5: Solve for x
    x = 20,118,268.29/5,815.80
  6. Step 6: Final answer
    x = 3,459.24

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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.