Home / 5,426.70-8,123.85-3,234.30

Finding the Fourth Proportional to 5,426.70, 8,123.85 and 3,234.30

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Solution

The fourth proportional to 5,426.70, 8,123.85 and 3,234.30 is: 4,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.70 : 8,123.85 = 3,234.30 : x
  2. Step 2: Convert to fraction form
    5,426.70/8,123.85 = 3,234.30/x
  3. Step 3: Cross multiply
    5,426.70x = 8,123.85 × 3,234.30
  4. Step 4: Simplify right side
    5,426.70x = 26,274,968.06
  5. Step 5: Solve for x
    x = 26,274,968.06/5,426.70
  6. Step 6: Final answer
    x = 4,841.79

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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.