Home / 8,179.38-12,273.93-4,285.98

Finding the Fourth Proportional to 8,179.38, 12,273.93 and 4,285.98

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Solution

The fourth proportional to 8,179.38, 12,273.93 and 4,285.98 is: 6,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.38 : 12,273.93 = 4,285.98 : x
  2. Step 2: Convert to fraction form
    8,179.38/12,273.93 = 4,285.98/x
  3. Step 3: Cross multiply
    8,179.38x = 12,273.93 × 4,285.98
  4. Step 4: Simplify right side
    8,179.38x = 52,605,818.50
  5. Step 5: Solve for x
    x = 52,605,818.50/8,179.38
  6. Step 6: Final answer
    x = 6,431.52

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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.