Home / 6,104.90-8,428.78-3,751.08

Finding the Fourth Proportional to 6,104.90, 8,428.78 and 3,751.08

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Solution

The fourth proportional to 6,104.90, 8,428.78 and 3,751.08 is: 5,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,104.90 : 8,428.78 = 3,751.08 : x
  2. Step 2: Convert to fraction form
    6,104.90/8,428.78 = 3,751.08/x
  3. Step 3: Cross multiply
    6,104.90x = 8,428.78 × 3,751.08
  4. Step 4: Simplify right side
    6,104.90x = 31,617,028.08
  5. Step 5: Solve for x
    x = 31,617,028.08/6,104.90
  6. Step 6: Final answer
    x = 5,178.96

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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.