Home / 6,115.14-8,435.75-4,228.65

Finding the Fourth Proportional to 6,115.14, 8,435.75 and 4,228.65

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Solution

The fourth proportional to 6,115.14, 8,435.75 and 4,228.65 is: 5,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.14 : 8,435.75 = 4,228.65 : x
  2. Step 2: Convert to fraction form
    6,115.14/8,435.75 = 4,228.65/x
  3. Step 3: Cross multiply
    6,115.14x = 8,435.75 × 4,228.65
  4. Step 4: Simplify right side
    6,115.14x = 35,671,813.09
  5. Step 5: Solve for x
    x = 35,671,813.09/6,115.14
  6. Step 6: Final answer
    x = 5,833.36

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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.