Home / 7,318.14-10,098.96-3,960.89

Finding the Fourth Proportional to 7,318.14, 10,098.96 and 3,960.89

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Solution

The fourth proportional to 7,318.14, 10,098.96 and 3,960.89 is: 5,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.14 : 10,098.96 = 3,960.89 : x
  2. Step 2: Convert to fraction form
    7,318.14/10,098.96 = 3,960.89/x
  3. Step 3: Cross multiply
    7,318.14x = 10,098.96 × 3,960.89
  4. Step 4: Simplify right side
    7,318.14x = 40,000,819.18
  5. Step 5: Solve for x
    x = 40,000,819.18/7,318.14
  6. Step 6: Final answer
    x = 5,465.98

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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.