Home / 4,908.12-7,361.07-1,398.05

Finding the Fourth Proportional to 4,908.12, 7,361.07 and 1,398.05

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Solution

The fourth proportional to 4,908.12, 7,361.07 and 1,398.05 is: 2,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.12 : 7,361.07 = 1,398.05 : x
  2. Step 2: Convert to fraction form
    4,908.12/7,361.07 = 1,398.05/x
  3. Step 3: Cross multiply
    4,908.12x = 7,361.07 × 1,398.05
  4. Step 4: Simplify right side
    4,908.12x = 10,291,143.91
  5. Step 5: Solve for x
    x = 10,291,143.91/4,908.12
  6. Step 6: Final answer
    x = 2,096.76

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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.