Home / 6,126.32-9,189.48-2,231.02

Finding the Fourth Proportional to 6,126.32, 9,189.48 and 2,231.02

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Solution

The fourth proportional to 6,126.32, 9,189.48 and 2,231.02 is: 3,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.32 : 9,189.48 = 2,231.02 : x
  2. Step 2: Convert to fraction form
    6,126.32/9,189.48 = 2,231.02/x
  3. Step 3: Cross multiply
    6,126.32x = 9,189.48 × 2,231.02
  4. Step 4: Simplify right side
    6,126.32x = 20,501,913.67
  5. Step 5: Solve for x
    x = 20,501,913.67/6,126.32
  6. Step 6: Final answer
    x = 3,346.53

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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.