Home / 5,528.73-7,630.19-4,129.05

Finding the Fourth Proportional to 5,528.73, 7,630.19 and 4,129.05

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Solution

The fourth proportional to 5,528.73, 7,630.19 and 4,129.05 is: 5,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.73 : 7,630.19 = 4,129.05 : x
  2. Step 2: Convert to fraction form
    5,528.73/7,630.19 = 4,129.05/x
  3. Step 3: Cross multiply
    5,528.73x = 7,630.19 × 4,129.05
  4. Step 4: Simplify right side
    5,528.73x = 31,505,415.37
  5. Step 5: Solve for x
    x = 31,505,415.37/5,528.73
  6. Step 6: Final answer
    x = 5,698.49

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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.