Home / 6,380.10-8,804.55-3,727.68

Finding the Fourth Proportional to 6,380.10, 8,804.55 and 3,727.68

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Solution

The fourth proportional to 6,380.10, 8,804.55 and 3,727.68 is: 5,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.10 : 8,804.55 = 3,727.68 : x
  2. Step 2: Convert to fraction form
    6,380.10/8,804.55 = 3,727.68/x
  3. Step 3: Cross multiply
    6,380.10x = 8,804.55 × 3,727.68
  4. Step 4: Simplify right side
    6,380.10x = 32,820,544.94
  5. Step 5: Solve for x
    x = 32,820,544.94/6,380.10
  6. Step 6: Final answer
    x = 5,144.21

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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.