Home / 8,078.28-11,149.05-4,541.50

Finding the Fourth Proportional to 8,078.28, 11,149.05 and 4,541.50

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Solution

The fourth proportional to 8,078.28, 11,149.05 and 4,541.50 is: 6,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.28 : 11,149.05 = 4,541.50 : x
  2. Step 2: Convert to fraction form
    8,078.28/11,149.05 = 4,541.50/x
  3. Step 3: Cross multiply
    8,078.28x = 11,149.05 × 4,541.50
  4. Step 4: Simplify right side
    8,078.28x = 50,633,410.58
  5. Step 5: Solve for x
    x = 50,633,410.58/8,078.28
  6. Step 6: Final answer
    x = 6,267.85

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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.