Home / 5,464.40-8,189.35-2,175.69

Finding the Fourth Proportional to 5,464.40, 8,189.35 and 2,175.69

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Solution

The fourth proportional to 5,464.40, 8,189.35 and 2,175.69 is: 3,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.40 : 8,189.35 = 2,175.69 : x
  2. Step 2: Convert to fraction form
    5,464.40/8,189.35 = 2,175.69/x
  3. Step 3: Cross multiply
    5,464.40x = 8,189.35 × 2,175.69
  4. Step 4: Simplify right side
    5,464.40x = 17,817,481.46
  5. Step 5: Solve for x
    x = 17,817,481.46/5,464.40
  6. Step 6: Final answer
    x = 3,260.65

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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.