Home / 8,686.55-13,029.83-3,492.43

Finding the Fourth Proportional to 8,686.55, 13,029.83 and 3,492.43

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Solution

The fourth proportional to 8,686.55, 13,029.83 and 3,492.43 is: 5,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.55 : 13,029.83 = 3,492.43 : x
  2. Step 2: Convert to fraction form
    8,686.55/13,029.83 = 3,492.43/x
  3. Step 3: Cross multiply
    8,686.55x = 13,029.83 × 3,492.43
  4. Step 4: Simplify right side
    8,686.55x = 45,505,732.25
  5. Step 5: Solve for x
    x = 45,505,732.25/8,686.55
  6. Step 6: Final answer
    x = 5,238.64

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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.