Home / 8,706.49-13,051.64-3,158.34

Finding the Fourth Proportional to 8,706.49, 13,051.64 and 3,158.34

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Solution

The fourth proportional to 8,706.49, 13,051.64 and 3,158.34 is: 4,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.49 : 13,051.64 = 3,158.34 : x
  2. Step 2: Convert to fraction form
    8,706.49/13,051.64 = 3,158.34/x
  3. Step 3: Cross multiply
    8,706.49x = 13,051.64 × 3,158.34
  4. Step 4: Simplify right side
    8,706.49x = 41,221,516.68
  5. Step 5: Solve for x
    x = 41,221,516.68/8,706.49
  6. Step 6: Final answer
    x = 4,734.57

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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.