Home / 5,659.44-8,488.64-1,961.58

Finding the Fourth Proportional to 5,659.44, 8,488.64 and 1,961.58

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Solution

The fourth proportional to 5,659.44, 8,488.64 and 1,961.58 is: 2,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.44 : 8,488.64 = 1,961.58 : x
  2. Step 2: Convert to fraction form
    5,659.44/8,488.64 = 1,961.58/x
  3. Step 3: Cross multiply
    5,659.44x = 8,488.64 × 1,961.58
  4. Step 4: Simplify right side
    5,659.44x = 16,651,146.45
  5. Step 5: Solve for x
    x = 16,651,146.45/5,659.44
  6. Step 6: Final answer
    x = 2,942.19

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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.