Home / 8,688.03-13,033.06-3,143.99

Finding the Fourth Proportional to 8,688.03, 13,033.06 and 3,143.99

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Solution

The fourth proportional to 8,688.03, 13,033.06 and 3,143.99 is: 4,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.03 : 13,033.06 = 3,143.99 : x
  2. Step 2: Convert to fraction form
    8,688.03/13,033.06 = 3,143.99/x
  3. Step 3: Cross multiply
    8,688.03x = 13,033.06 × 3,143.99
  4. Step 4: Simplify right side
    8,688.03x = 40,975,770.56
  5. Step 5: Solve for x
    x = 40,975,770.56/8,688.03
  6. Step 6: Final answer
    x = 4,716.35

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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.