Home / 8,280.92-11,427.74-4,504.12

Finding the Fourth Proportional to 8,280.92, 11,427.74 and 4,504.12

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Solution

The fourth proportional to 8,280.92, 11,427.74 and 4,504.12 is: 6,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.92 : 11,427.74 = 4,504.12 : x
  2. Step 2: Convert to fraction form
    8,280.92/11,427.74 = 4,504.12/x
  3. Step 3: Cross multiply
    8,280.92x = 11,427.74 × 4,504.12
  4. Step 4: Simplify right side
    8,280.92x = 51,471,912.29
  5. Step 5: Solve for x
    x = 51,471,912.29/8,280.92
  6. Step 6: Final answer
    x = 6,215.72

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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.