Home / 5,313.12-7,960.56-2,972.62

Finding the Fourth Proportional to 5,313.12, 7,960.56 and 2,972.62

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Solution

The fourth proportional to 5,313.12, 7,960.56 and 2,972.62 is: 4,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.12 : 7,960.56 = 2,972.62 : x
  2. Step 2: Convert to fraction form
    5,313.12/7,960.56 = 2,972.62/x
  3. Step 3: Cross multiply
    5,313.12x = 7,960.56 × 2,972.62
  4. Step 4: Simplify right side
    5,313.12x = 23,663,719.87
  5. Step 5: Solve for x
    x = 23,663,719.87/5,313.12
  6. Step 6: Final answer
    x = 4,453.83

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1.5x scale

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.