Home / 7,217.55-9,960.21-4,073.73

Finding the Fourth Proportional to 7,217.55, 9,960.21 and 4,073.73

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Solution

The fourth proportional to 7,217.55, 9,960.21 and 4,073.73 is: 5,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.55 : 9,960.21 = 4,073.73 : x
  2. Step 2: Convert to fraction form
    7,217.55/9,960.21 = 4,073.73/x
  3. Step 3: Cross multiply
    7,217.55x = 9,960.21 × 4,073.73
  4. Step 4: Simplify right side
    7,217.55x = 40,575,206.28
  5. Step 5: Solve for x
    x = 40,575,206.28/7,217.55
  6. Step 6: Final answer
    x = 5,621.74

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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.