Home / 8,285.46-11,436.96-5,491.86

Finding the Fourth Proportional to 8,285.46, 11,436.96 and 5,491.86

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Solution

The fourth proportional to 8,285.46, 11,436.96 and 5,491.86 is: 7,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.46 : 11,436.96 = 5,491.86 : x
  2. Step 2: Convert to fraction form
    8,285.46/11,436.96 = 5,491.86/x
  3. Step 3: Cross multiply
    8,285.46x = 11,436.96 × 5,491.86
  4. Step 4: Simplify right side
    8,285.46x = 62,810,183.15
  5. Step 5: Solve for x
    x = 62,810,183.15/8,285.46
  6. Step 6: Final answer
    x = 7,580.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.