Home / 8,705.68-13,059.43-2,862.29

Finding the Fourth Proportional to 8,705.68, 13,059.43 and 2,862.29

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Solution

The fourth proportional to 8,705.68, 13,059.43 and 2,862.29 is: 4,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705.68 : 13,059.43 = 2,862.29 : x
  2. Step 2: Convert to fraction form
    8,705.68/13,059.43 = 2,862.29/x
  3. Step 3: Cross multiply
    8,705.68x = 13,059.43 × 2,862.29
  4. Step 4: Simplify right side
    8,705.68x = 37,379,827.93
  5. Step 5: Solve for x
    x = 37,379,827.93/8,705.68
  6. Step 6: Final answer
    x = 4,293.73

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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.