Home / 6,346.56-8,755.20-4,108.80

Finding the Fourth Proportional to 6,346.56, 8,755.20 and 4,108.80

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Solution

The fourth proportional to 6,346.56, 8,755.20 and 4,108.80 is: 5,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.56 : 8,755.20 = 4,108.80 : x
  2. Step 2: Convert to fraction form
    6,346.56/8,755.20 = 4,108.80/x
  3. Step 3: Cross multiply
    6,346.56x = 8,755.20 × 4,108.80
  4. Step 4: Simplify right side
    6,346.56x = 35,973,365.76
  5. Step 5: Solve for x
    x = 35,973,365.76/6,346.56
  6. Step 6: Final answer
    x = 5,668.17

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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.