Home / 8,234.35-12,353.83-3,307.45

Finding the Fourth Proportional to 8,234.35, 12,353.83 and 3,307.45

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Solution

The fourth proportional to 8,234.35, 12,353.83 and 3,307.45 is: 4,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.35 : 12,353.83 = 3,307.45 : x
  2. Step 2: Convert to fraction form
    8,234.35/12,353.83 = 3,307.45/x
  3. Step 3: Cross multiply
    8,234.35x = 12,353.83 × 3,307.45
  4. Step 4: Simplify right side
    8,234.35x = 40,859,675.03
  5. Step 5: Solve for x
    x = 40,859,675.03/8,234.35
  6. Step 6: Final answer
    x = 4,962.10

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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.