Home / 8,146.56-12,214.80-5,541.60

Finding the Fourth Proportional to 8,146.56, 12,214.80 and 5,541.60

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Solution

The fourth proportional to 8,146.56, 12,214.80 and 5,541.60 is: 8,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.56 : 12,214.80 = 5,541.60 : x
  2. Step 2: Convert to fraction form
    8,146.56/12,214.80 = 5,541.60/x
  3. Step 3: Cross multiply
    8,146.56x = 12,214.80 × 5,541.60
  4. Step 4: Simplify right side
    8,146.56x = 67,689,535.68
  5. Step 5: Solve for x
    x = 67,689,535.68/8,146.56
  6. Step 6: Final answer
    x = 8,308.97

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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.