Home / 8,686.44-13,030.20-3,492.27

Finding the Fourth Proportional to 8,686.44, 13,030.20 and 3,492.27

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Solution

The fourth proportional to 8,686.44, 13,030.20 and 3,492.27 is: 5,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.44 : 13,030.20 = 3,492.27 : x
  2. Step 2: Convert to fraction form
    8,686.44/13,030.20 = 3,492.27/x
  3. Step 3: Cross multiply
    8,686.44x = 13,030.20 × 3,492.27
  4. Step 4: Simplify right side
    8,686.44x = 45,504,976.55
  5. Step 5: Solve for x
    x = 45,504,976.55/8,686.44
  6. Step 6: Final answer
    x = 5,238.62

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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.