Home / 5,144.16-7,098.94-2,786.30

Finding the Fourth Proportional to 5,144.16, 7,098.94 and 2,786.30

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Solution

The fourth proportional to 5,144.16, 7,098.94 and 2,786.30 is: 3,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.16 : 7,098.94 = 2,786.30 : x
  2. Step 2: Convert to fraction form
    5,144.16/7,098.94 = 2,786.30/x
  3. Step 3: Cross multiply
    5,144.16x = 7,098.94 × 2,786.30
  4. Step 4: Simplify right side
    5,144.16x = 19,779,771.13
  5. Step 5: Solve for x
    x = 19,779,771.13/5,144.16
  6. Step 6: Final answer
    x = 3,845.09

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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.