Home / 5,151.66-7,715.07-3,297.12

Finding the Fourth Proportional to 5,151.66, 7,715.07 and 3,297.12

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Solution

The fourth proportional to 5,151.66, 7,715.07 and 3,297.12 is: 4,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.66 : 7,715.07 = 3,297.12 : x
  2. Step 2: Convert to fraction form
    5,151.66/7,715.07 = 3,297.12/x
  3. Step 3: Cross multiply
    5,151.66x = 7,715.07 × 3,297.12
  4. Step 4: Simplify right side
    5,151.66x = 25,437,511.60
  5. Step 5: Solve for x
    x = 25,437,511.60/5,151.66
  6. Step 6: Final answer
    x = 4,937.73

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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.