Home / 7,318.11-10,098.91-3,960.85

Finding the Fourth Proportional to 7,318.11, 10,098.91 and 3,960.85

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Solution

The fourth proportional to 7,318.11, 10,098.91 and 3,960.85 is: 5,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.11 : 10,098.91 = 3,960.85 : x
  2. Step 2: Convert to fraction form
    7,318.11/10,098.91 = 3,960.85/x
  3. Step 3: Cross multiply
    7,318.11x = 10,098.91 × 3,960.85
  4. Step 4: Simplify right side
    7,318.11x = 40,000,267.67
  5. Step 5: Solve for x
    x = 40,000,267.67/7,318.11
  6. Step 6: Final answer
    x = 5,465.93

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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.