Home / 4,910.56-7,343.64-3,151.20

Finding the Fourth Proportional to 4,910.56, 7,343.64 and 3,151.20

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Solution

The fourth proportional to 4,910.56, 7,343.64 and 3,151.20 is: 4,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.56 : 7,343.64 = 3,151.20 : x
  2. Step 2: Convert to fraction form
    4,910.56/7,343.64 = 3,151.20/x
  3. Step 3: Cross multiply
    4,910.56x = 7,343.64 × 3,151.20
  4. Step 4: Simplify right side
    4,910.56x = 23,141,278.37
  5. Step 5: Solve for x
    x = 23,141,278.37/4,910.56
  6. Step 6: Final answer
    x = 4,712.55

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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.