Home / 7,539.37-11,308.05-1,993.12

Finding the Fourth Proportional to 7,539.37, 11,308.05 and 1,993.12

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Solution

The fourth proportional to 7,539.37, 11,308.05 and 1,993.12 is: 2,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.37 : 11,308.05 = 1,993.12 : x
  2. Step 2: Convert to fraction form
    7,539.37/11,308.05 = 1,993.12/x
  3. Step 3: Cross multiply
    7,539.37x = 11,308.05 × 1,993.12
  4. Step 4: Simplify right side
    7,539.37x = 22,538,272.35
  5. Step 5: Solve for x
    x = 22,538,272.35/7,539.37
  6. Step 6: Final answer
    x = 2,989.41

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Half scale
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Double scale
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Similar ratio
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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.