Home / 5,136.12-7,705.73-2,173.04

Finding the Fourth Proportional to 5,136.12, 7,705.73 and 2,173.04

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Solution

The fourth proportional to 5,136.12, 7,705.73 and 2,173.04 is: 3,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.12 : 7,705.73 = 2,173.04 : x
  2. Step 2: Convert to fraction form
    5,136.12/7,705.73 = 2,173.04/x
  3. Step 3: Cross multiply
    5,136.12x = 7,705.73 × 2,173.04
  4. Step 4: Simplify right side
    5,136.12x = 16,744,810.13
  5. Step 5: Solve for x
    x = 16,744,810.13/5,136.12
  6. Step 6: Final answer
    x = 3,260.21

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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.