Home / 6,078.82-9,111.75-4,342.18

Finding the Fourth Proportional to 6,078.82, 9,111.75 and 4,342.18

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Solution

The fourth proportional to 6,078.82, 9,111.75 and 4,342.18 is: 6,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.82 : 9,111.75 = 4,342.18 : x
  2. Step 2: Convert to fraction form
    6,078.82/9,111.75 = 4,342.18/x
  3. Step 3: Cross multiply
    6,078.82x = 9,111.75 × 4,342.18
  4. Step 4: Simplify right side
    6,078.82x = 39,564,858.62
  5. Step 5: Solve for x
    x = 39,564,858.62/6,078.82
  6. Step 6: Final answer
    x = 6,508.64

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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.