Home / 5,520.75-7,618.65-3,036.75

Finding the Fourth Proportional to 5,520.75, 7,618.65 and 3,036.75

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Solution

The fourth proportional to 5,520.75, 7,618.65 and 3,036.75 is: 4,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.75 : 7,618.65 = 3,036.75 : x
  2. Step 2: Convert to fraction form
    5,520.75/7,618.65 = 3,036.75/x
  3. Step 3: Cross multiply
    5,520.75x = 7,618.65 × 3,036.75
  4. Step 4: Simplify right side
    5,520.75x = 23,135,935.39
  5. Step 5: Solve for x
    x = 23,135,935.39/5,520.75
  6. Step 6: Final answer
    x = 4,190.72

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Half scale
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Double scale
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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.