Home / 8,234.28-12,353.16-4,725.90

Finding the Fourth Proportional to 8,234.28, 12,353.16 and 4,725.90

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Solution

The fourth proportional to 8,234.28, 12,353.16 and 4,725.90 is: 7,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.28 : 12,353.16 = 4,725.90 : x
  2. Step 2: Convert to fraction form
    8,234.28/12,353.16 = 4,725.90/x
  3. Step 3: Cross multiply
    8,234.28x = 12,353.16 × 4,725.90
  4. Step 4: Simplify right side
    8,234.28x = 58,379,798.84
  5. Step 5: Solve for x
    x = 58,379,798.84/8,234.28
  6. Step 6: Final answer
    x = 7,089.85

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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.