Home / 4,610.12-6,361.40-2,721.40

Finding the Fourth Proportional to 4,610.12, 6,361.40 and 2,721.40

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Solution

The fourth proportional to 4,610.12, 6,361.40 and 2,721.40 is: 3,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.12 : 6,361.40 = 2,721.40 : x
  2. Step 2: Convert to fraction form
    4,610.12/6,361.40 = 2,721.40/x
  3. Step 3: Cross multiply
    4,610.12x = 6,361.40 × 2,721.40
  4. Step 4: Simplify right side
    4,610.12x = 17,311,904.86
  5. Step 5: Solve for x
    x = 17,311,904.86/4,610.12
  6. Step 6: Final answer
    x = 3,755.20

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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.