Home / 9,136.32-13,705.85-3,291.56

Finding the Fourth Proportional to 9,136.32, 13,705.85 and 3,291.56

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Solution

The fourth proportional to 9,136.32, 13,705.85 and 3,291.56 is: 4,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.32 : 13,705.85 = 3,291.56 : x
  2. Step 2: Convert to fraction form
    9,136.32/13,705.85 = 3,291.56/x
  3. Step 3: Cross multiply
    9,136.32x = 13,705.85 × 3,291.56
  4. Step 4: Simplify right side
    9,136.32x = 45,113,627.63
  5. Step 5: Solve for x
    x = 45,113,627.63/9,136.32
  6. Step 6: Final answer
    x = 4,937.83

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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.