Home / 8,683.31-13,026.77-3,489.59

Finding the Fourth Proportional to 8,683.31, 13,026.77 and 3,489.59

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Solution

The fourth proportional to 8,683.31, 13,026.77 and 3,489.59 is: 5,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.31 : 13,026.77 = 3,489.59 : x
  2. Step 2: Convert to fraction form
    8,683.31/13,026.77 = 3,489.59/x
  3. Step 3: Cross multiply
    8,683.31x = 13,026.77 × 3,489.59
  4. Step 4: Simplify right side
    8,683.31x = 45,458,068.88
  5. Step 5: Solve for x
    x = 45,458,068.88/8,683.31
  6. Step 6: Final answer
    x = 5,235.11

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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.