Home / 8,723.90-13,083.42-3,528.56

Finding the Fourth Proportional to 8,723.90, 13,083.42 and 3,528.56

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Solution

The fourth proportional to 8,723.90, 13,083.42 and 3,528.56 is: 5,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.90 : 13,083.42 = 3,528.56 : x
  2. Step 2: Convert to fraction form
    8,723.90/13,083.42 = 3,528.56/x
  3. Step 3: Cross multiply
    8,723.90x = 13,083.42 × 3,528.56
  4. Step 4: Simplify right side
    8,723.90x = 46,165,678.42
  5. Step 5: Solve for x
    x = 46,165,678.42/8,723.90
  6. Step 6: Final answer
    x = 5,291.86

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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.