Home / 9,129.34-13,685.68-3,203.01

Finding the Fourth Proportional to 9,129.34, 13,685.68 and 3,203.01

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Solution

The fourth proportional to 9,129.34, 13,685.68 and 3,203.01 is: 4,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.34 : 13,685.68 = 3,203.01 : x
  2. Step 2: Convert to fraction form
    9,129.34/13,685.68 = 3,203.01/x
  3. Step 3: Cross multiply
    9,129.34x = 13,685.68 × 3,203.01
  4. Step 4: Simplify right side
    9,129.34x = 43,835,369.90
  5. Step 5: Solve for x
    x = 43,835,369.90/9,129.34
  6. Step 6: Final answer
    x = 4,801.59

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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.