Home / 5,106.12-7,651.86-2,910.32

Finding the Fourth Proportional to 5,106.12, 7,651.86 and 2,910.32

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Solution

The fourth proportional to 5,106.12, 7,651.86 and 2,910.32 is: 4,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.12 : 7,651.86 = 2,910.32 : x
  2. Step 2: Convert to fraction form
    5,106.12/7,651.86 = 2,910.32/x
  3. Step 3: Cross multiply
    5,106.12x = 7,651.86 × 2,910.32
  4. Step 4: Simplify right side
    5,106.12x = 22,269,361.20
  5. Step 5: Solve for x
    x = 22,269,361.20/5,106.12
  6. Step 6: Final answer
    x = 4,361.31

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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.