Home / 8,273.66-12,385.86-4,976.76

Finding the Fourth Proportional to 8,273.66, 12,385.86 and 4,976.76

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Solution

The fourth proportional to 8,273.66, 12,385.86 and 4,976.76 is: 7,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.66 : 12,385.86 = 4,976.76 : x
  2. Step 2: Convert to fraction form
    8,273.66/12,385.86 = 4,976.76/x
  3. Step 3: Cross multiply
    8,273.66x = 12,385.86 × 4,976.76
  4. Step 4: Simplify right side
    8,273.66x = 61,641,438.72
  5. Step 5: Solve for x
    x = 61,641,438.72/8,273.66
  6. Step 6: Final answer
    x = 7,450.32

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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.