Home / 9,136.92-13,705.38-2,896.95

Finding the Fourth Proportional to 9,136.92, 13,705.38 and 2,896.95

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Solution

The fourth proportional to 9,136.92, 13,705.38 and 2,896.95 is: 4,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.92 : 13,705.38 = 2,896.95 : x
  2. Step 2: Convert to fraction form
    9,136.92/13,705.38 = 2,896.95/x
  3. Step 3: Cross multiply
    9,136.92x = 13,705.38 × 2,896.95
  4. Step 4: Simplify right side
    9,136.92x = 39,703,800.59
  5. Step 5: Solve for x
    x = 39,703,800.59/9,136.92
  6. Step 6: Final answer
    x = 4,345.43

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1.5x scale

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.