Home / 9,137.34-13,706.01-2,211.84

Finding the Fourth Proportional to 9,137.34, 13,706.01 and 2,211.84

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Solution

The fourth proportional to 9,137.34, 13,706.01 and 2,211.84 is: 3,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.34 : 13,706.01 = 2,211.84 : x
  2. Step 2: Convert to fraction form
    9,137.34/13,706.01 = 2,211.84/x
  3. Step 3: Cross multiply
    9,137.34x = 13,706.01 × 2,211.84
  4. Step 4: Simplify right side
    9,137.34x = 30,315,501.16
  5. Step 5: Solve for x
    x = 30,315,501.16/9,137.34
  6. Step 6: Final answer
    x = 3,317.76

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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.