Home / 8,250.45-12,378.23-2,703.84

Finding the Fourth Proportional to 8,250.45, 12,378.23 and 2,703.84

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Solution

The fourth proportional to 8,250.45, 12,378.23 and 2,703.84 is: 4,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.45 : 12,378.23 = 2,703.84 : x
  2. Step 2: Convert to fraction form
    8,250.45/12,378.23 = 2,703.84/x
  3. Step 3: Cross multiply
    8,250.45x = 12,378.23 × 2,703.84
  4. Step 4: Simplify right side
    8,250.45x = 33,468,753.40
  5. Step 5: Solve for x
    x = 33,468,753.40/8,250.45
  6. Step 6: Final answer
    x = 4,056.60

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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.