Home / 5,142.10-7,096.09-2,784.24

Finding the Fourth Proportional to 5,142.10, 7,096.09 and 2,784.24

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Solution

The fourth proportional to 5,142.10, 7,096.09 and 2,784.24 is: 3,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.10 : 7,096.09 = 2,784.24 : x
  2. Step 2: Convert to fraction form
    5,142.10/7,096.09 = 2,784.24/x
  3. Step 3: Cross multiply
    5,142.10x = 7,096.09 × 2,784.24
  4. Step 4: Simplify right side
    5,142.10x = 19,757,217.62
  5. Step 5: Solve for x
    x = 19,757,217.62/5,142.10
  6. Step 6: Final answer
    x = 3,842.25

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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.