Home / 9,136.76-13,705.20-2,896.64

Finding the Fourth Proportional to 9,136.76, 13,705.20 and 2,896.64

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Solution

The fourth proportional to 9,136.76, 13,705.20 and 2,896.64 is: 4,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.76 : 13,705.20 = 2,896.64 : x
  2. Step 2: Convert to fraction form
    9,136.76/13,705.20 = 2,896.64/x
  3. Step 3: Cross multiply
    9,136.76x = 13,705.20 × 2,896.64
  4. Step 4: Simplify right side
    9,136.76x = 39,699,030.53
  5. Step 5: Solve for x
    x = 39,699,030.53/9,136.76
  6. Step 6: Final answer
    x = 4,344.98

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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.