Home / 6,346.20-9,511.20-4,878.09

Finding the Fourth Proportional to 6,346.20, 9,511.20 and 4,878.09

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Solution

The fourth proportional to 6,346.20, 9,511.20 and 4,878.09 is: 7,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.20 : 9,511.20 = 4,878.09 : x
  2. Step 2: Convert to fraction form
    6,346.20/9,511.20 = 4,878.09/x
  3. Step 3: Cross multiply
    6,346.20x = 9,511.20 × 4,878.09
  4. Step 4: Simplify right side
    6,346.20x = 46,396,489.61
  5. Step 5: Solve for x
    x = 46,396,489.61/6,346.20
  6. Step 6: Final answer
    x = 7,310.91

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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.