Home / 7,217.67-9,960.30-4,073.99

Finding the Fourth Proportional to 7,217.67, 9,960.30 and 4,073.99

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Solution

The fourth proportional to 7,217.67, 9,960.30 and 4,073.99 is: 5,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.67 : 9,960.30 = 4,073.99 : x
  2. Step 2: Convert to fraction form
    7,217.67/9,960.30 = 4,073.99/x
  3. Step 3: Cross multiply
    7,217.67x = 9,960.30 × 4,073.99
  4. Step 4: Simplify right side
    7,217.67x = 40,578,122.98
  5. Step 5: Solve for x
    x = 40,578,122.98/7,217.67
  6. Step 6: Final answer
    x = 5,622.06

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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.