Home / 6,246.20-9,379.20-5,791.40

Finding the Fourth Proportional to 6,246.20, 9,379.20 and 5,791.40

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Solution

The fourth proportional to 6,246.20, 9,379.20 and 5,791.40 is: 8,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.20 : 9,379.20 = 5,791.40 : x
  2. Step 2: Convert to fraction form
    6,246.20/9,379.20 = 5,791.40/x
  3. Step 3: Cross multiply
    6,246.20x = 9,379.20 × 5,791.40
  4. Step 4: Simplify right side
    6,246.20x = 54,318,698.88
  5. Step 5: Solve for x
    x = 54,318,698.88/6,246.20
  6. Step 6: Final answer
    x = 8,696.28

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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.