Home / 6,517.86-9,776.76-4,578.72

Finding the Fourth Proportional to 6,517.86, 9,776.76 and 4,578.72

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Solution

The fourth proportional to 6,517.86, 9,776.76 and 4,578.72 is: 6,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.86 : 9,776.76 = 4,578.72 : x
  2. Step 2: Convert to fraction form
    6,517.86/9,776.76 = 4,578.72/x
  3. Step 3: Cross multiply
    6,517.86x = 9,776.76 × 4,578.72
  4. Step 4: Simplify right side
    6,517.86x = 44,765,046.55
  5. Step 5: Solve for x
    x = 44,765,046.55/6,517.86
  6. Step 6: Final answer
    x = 6,868.06

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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.