Home / 5,143.83-7,716.20-1,446.09

Finding the Fourth Proportional to 5,143.83, 7,716.20 and 1,446.09

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Solution

The fourth proportional to 5,143.83, 7,716.20 and 1,446.09 is: 2,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.83 : 7,716.20 = 1,446.09 : x
  2. Step 2: Convert to fraction form
    5,143.83/7,716.20 = 1,446.09/x
  3. Step 3: Cross multiply
    5,143.83x = 7,716.20 × 1,446.09
  4. Step 4: Simplify right side
    5,143.83x = 11,158,312.43
  5. Step 5: Solve for x
    x = 11,158,312.43/5,143.83
  6. Step 6: Final answer
    x = 2,169.26

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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.