Home / 6,346.20-9,519.30-1,665.90

Finding the Fourth Proportional to 6,346.20, 9,519.30 and 1,665.90

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Solution

The fourth proportional to 6,346.20, 9,519.30 and 1,665.90 is: 2,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.20 : 9,519.30 = 1,665.90 : x
  2. Step 2: Convert to fraction form
    6,346.20/9,519.30 = 1,665.90/x
  3. Step 3: Cross multiply
    6,346.20x = 9,519.30 × 1,665.90
  4. Step 4: Simplify right side
    6,346.20x = 15,858,201.87
  5. Step 5: Solve for x
    x = 15,858,201.87/6,346.20
  6. Step 6: Final answer
    x = 2,498.85

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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.