Home / 5,451.76-8,179.98-2,530.72

Finding the Fourth Proportional to 5,451.76, 8,179.98 and 2,530.72

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Solution

The fourth proportional to 5,451.76, 8,179.98 and 2,530.72 is: 3,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.76 : 8,179.98 = 2,530.72 : x
  2. Step 2: Convert to fraction form
    5,451.76/8,179.98 = 2,530.72/x
  3. Step 3: Cross multiply
    5,451.76x = 8,179.98 × 2,530.72
  4. Step 4: Simplify right side
    5,451.76x = 20,701,238.99
  5. Step 5: Solve for x
    x = 20,701,238.99/5,451.76
  6. Step 6: Final answer
    x = 3,797.17

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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.