Home / 5,324.43-7,986.65-1,429.23

Finding the Fourth Proportional to 5,324.43, 7,986.65 and 1,429.23

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Solution

The fourth proportional to 5,324.43, 7,986.65 and 1,429.23 is: 2,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.43 : 7,986.65 = 1,429.23 : x
  2. Step 2: Convert to fraction form
    5,324.43/7,986.65 = 1,429.23/x
  3. Step 3: Cross multiply
    5,324.43x = 7,986.65 × 1,429.23
  4. Step 4: Simplify right side
    5,324.43x = 11,414,752.63
  5. Step 5: Solve for x
    x = 11,414,752.63/5,324.43
  6. Step 6: Final answer
    x = 2,143.85

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Similar ratio
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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.