Home / 8,069.70-11,136.74-4,485.08

Finding the Fourth Proportional to 8,069.70, 11,136.74 and 4,485.08

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Solution

The fourth proportional to 8,069.70, 11,136.74 and 4,485.08 is: 6,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.70 : 11,136.74 = 4,485.08 : x
  2. Step 2: Convert to fraction form
    8,069.70/11,136.74 = 4,485.08/x
  3. Step 3: Cross multiply
    8,069.70x = 11,136.74 × 4,485.08
  4. Step 4: Simplify right side
    8,069.70x = 49,949,169.84
  5. Step 5: Solve for x
    x = 49,949,169.84/8,069.70
  6. Step 6: Final answer
    x = 6,189.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.