Home / 6,394.20-9,578.52-5,080.18

Finding the Fourth Proportional to 6,394.20, 9,578.52 and 5,080.18

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Solution

The fourth proportional to 6,394.20, 9,578.52 and 5,080.18 is: 7,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.20 : 9,578.52 = 5,080.18 : x
  2. Step 2: Convert to fraction form
    6,394.20/9,578.52 = 5,080.18/x
  3. Step 3: Cross multiply
    6,394.20x = 9,578.52 × 5,080.18
  4. Step 4: Simplify right side
    6,394.20x = 48,660,605.73
  5. Step 5: Solve for x
    x = 48,660,605.73/6,394.20
  6. Step 6: Final answer
    x = 7,610.12

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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.