Home / 8,189.91-12,284.99-2,346.52

Finding the Fourth Proportional to 8,189.91, 12,284.99 and 2,346.52

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Solution

The fourth proportional to 8,189.91, 12,284.99 and 2,346.52 is: 3,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.91 : 12,284.99 = 2,346.52 : x
  2. Step 2: Convert to fraction form
    8,189.91/12,284.99 = 2,346.52/x
  3. Step 3: Cross multiply
    8,189.91x = 12,284.99 × 2,346.52
  4. Step 4: Simplify right side
    8,189.91x = 28,826,970.72
  5. Step 5: Solve for x
    x = 28,826,970.72/8,189.91
  6. Step 6: Final answer
    x = 3,519.82

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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.