Home / 5,423.42-8,134.43-2,302.85

Finding the Fourth Proportional to 5,423.42, 8,134.43 and 2,302.85

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Solution

The fourth proportional to 5,423.42, 8,134.43 and 2,302.85 is: 3,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.42 : 8,134.43 = 2,302.85 : x
  2. Step 2: Convert to fraction form
    5,423.42/8,134.43 = 2,302.85/x
  3. Step 3: Cross multiply
    5,423.42x = 8,134.43 × 2,302.85
  4. Step 4: Simplify right side
    5,423.42x = 18,732,319.94
  5. Step 5: Solve for x
    x = 18,732,319.94/5,423.42
  6. Step 6: Final answer
    x = 3,453.97

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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.