Home / 9,136.87-13,705.58-3,591.61

Finding the Fourth Proportional to 9,136.87, 13,705.58 and 3,591.61

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Solution

The fourth proportional to 9,136.87, 13,705.58 and 3,591.61 is: 5,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.87 : 13,705.58 = 3,591.61 : x
  2. Step 2: Convert to fraction form
    9,136.87/13,705.58 = 3,591.61/x
  3. Step 3: Cross multiply
    9,136.87x = 13,705.58 × 3,591.61
  4. Step 4: Simplify right side
    9,136.87x = 49,225,080.23
  5. Step 5: Solve for x
    x = 49,225,080.23/9,136.87
  6. Step 6: Final answer
    x = 5,387.52

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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.