Home / 6,129.76-9,186.44-2,230.48

Finding the Fourth Proportional to 6,129.76, 9,186.44 and 2,230.48

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Solution

The fourth proportional to 6,129.76, 9,186.44 and 2,230.48 is: 3,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.76 : 9,186.44 = 2,230.48 : x
  2. Step 2: Convert to fraction form
    6,129.76/9,186.44 = 2,230.48/x
  3. Step 3: Cross multiply
    6,129.76x = 9,186.44 × 2,230.48
  4. Step 4: Simplify right side
    6,129.76x = 20,490,170.69
  5. Step 5: Solve for x
    x = 20,490,170.69/6,129.76
  6. Step 6: Final answer
    x = 3,342.74

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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.