Home / 7,609.12-11,459.24-6,694.68

Finding the Fourth Proportional to 7,609.12, 11,459.24 and 6,694.68

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Solution

The fourth proportional to 7,609.12, 11,459.24 and 6,694.68 is: 10,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.12 : 11,459.24 = 6,694.68 : x
  2. Step 2: Convert to fraction form
    7,609.12/11,459.24 = 6,694.68/x
  3. Step 3: Cross multiply
    7,609.12x = 11,459.24 × 6,694.68
  4. Step 4: Simplify right side
    7,609.12x = 76,715,944.84
  5. Step 5: Solve for x
    x = 76,715,944.84/7,609.12
  6. Step 6: Final answer
    x = 10,082.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.