Home / 6,165.05-8,505.61-3,511.76

Finding the Fourth Proportional to 6,165.05, 8,505.61 and 3,511.76

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Solution

The fourth proportional to 6,165.05, 8,505.61 and 3,511.76 is: 4,844.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.05 : 8,505.61 = 3,511.76 : x
  2. Step 2: Convert to fraction form
    6,165.05/8,505.61 = 3,511.76/x
  3. Step 3: Cross multiply
    6,165.05x = 8,505.61 × 3,511.76
  4. Step 4: Simplify right side
    6,165.05x = 29,869,609.67
  5. Step 5: Solve for x
    x = 29,869,609.67/6,165.05
  6. Step 6: Final answer
    x = 4,844.99

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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.