Home / 7,964.40-11,944.98-3,580.68

Finding the Fourth Proportional to 7,964.40, 11,944.98 and 3,580.68

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Solution

The fourth proportional to 7,964.40, 11,944.98 and 3,580.68 is: 5,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.40 : 11,944.98 = 3,580.68 : x
  2. Step 2: Convert to fraction form
    7,964.40/11,944.98 = 3,580.68/x
  3. Step 3: Cross multiply
    7,964.40x = 11,944.98 × 3,580.68
  4. Step 4: Simplify right side
    7,964.40x = 42,771,150.99
  5. Step 5: Solve for x
    x = 42,771,150.99/7,964.40
  6. Step 6: Final answer
    x = 5,370.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.