Home / 5,192.31-7,165.46-2,834.40

Finding the Fourth Proportional to 5,192.31, 7,165.46 and 2,834.40

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Solution

The fourth proportional to 5,192.31, 7,165.46 and 2,834.40 is: 3,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.31 : 7,165.46 = 2,834.40 : x
  2. Step 2: Convert to fraction form
    5,192.31/7,165.46 = 2,834.40/x
  3. Step 3: Cross multiply
    5,192.31x = 7,165.46 × 2,834.40
  4. Step 4: Simplify right side
    5,192.31x = 20,309,786.91
  5. Step 5: Solve for x
    x = 20,309,786.91/5,192.31
  6. Step 6: Final answer
    x = 3,911.51

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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.