Home / 5,192.46-7,165.40-2,834.62

Finding the Fourth Proportional to 5,192.46, 7,165.40 and 2,834.62

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Solution

The fourth proportional to 5,192.46, 7,165.40 and 2,834.62 is: 3,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.46 : 7,165.40 = 2,834.62 : x
  2. Step 2: Convert to fraction form
    5,192.46/7,165.40 = 2,834.62/x
  3. Step 3: Cross multiply
    5,192.46x = 7,165.40 × 2,834.62
  4. Step 4: Simplify right side
    5,192.46x = 20,311,154.06
  5. Step 5: Solve for x
    x = 20,311,154.06/5,192.46
  6. Step 6: Final answer
    x = 3,911.66

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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.