Home / 5,530.14-7,608.96-4,781.70

Finding the Fourth Proportional to 5,530.14, 7,608.96 and 4,781.70

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Solution

The fourth proportional to 5,530.14, 7,608.96 and 4,781.70 is: 6,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.14 : 7,608.96 = 4,781.70 : x
  2. Step 2: Convert to fraction form
    5,530.14/7,608.96 = 4,781.70/x
  3. Step 3: Cross multiply
    5,530.14x = 7,608.96 × 4,781.70
  4. Step 4: Simplify right side
    5,530.14x = 36,383,764.03
  5. Step 5: Solve for x
    x = 36,383,764.03/5,530.14
  6. Step 6: Final answer
    x = 6,579.18

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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.