Home / 6,910.30-10,361.40-4,721.68

Finding the Fourth Proportional to 6,910.30, 10,361.40 and 4,721.68

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Solution

The fourth proportional to 6,910.30, 10,361.40 and 4,721.68 is: 7,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.30 : 10,361.40 = 4,721.68 : x
  2. Step 2: Convert to fraction form
    6,910.30/10,361.40 = 4,721.68/x
  3. Step 3: Cross multiply
    6,910.30x = 10,361.40 × 4,721.68
  4. Step 4: Simplify right side
    6,910.30x = 48,923,215.15
  5. Step 5: Solve for x
    x = 48,923,215.15/6,910.30
  6. Step 6: Final answer
    x = 7,079.75

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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.