Home / 4,906.81-7,359.10-1,396.74

Finding the Fourth Proportional to 4,906.81, 7,359.10 and 1,396.74

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Solution

The fourth proportional to 4,906.81, 7,359.10 and 1,396.74 is: 2,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.81 : 7,359.10 = 1,396.74 : x
  2. Step 2: Convert to fraction form
    4,906.81/7,359.10 = 1,396.74/x
  3. Step 3: Cross multiply
    4,906.81x = 7,359.10 × 1,396.74
  4. Step 4: Simplify right side
    4,906.81x = 10,278,742.35
  5. Step 5: Solve for x
    x = 10,278,742.35/4,906.81
  6. Step 6: Final answer
    x = 2,094.79

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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.