Home / 7,313.26-10,970.28-2,119.54

Finding the Fourth Proportional to 7,313.26, 10,970.28 and 2,119.54

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Solution

The fourth proportional to 7,313.26, 10,970.28 and 2,119.54 is: 3,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.26 : 10,970.28 = 2,119.54 : x
  2. Step 2: Convert to fraction form
    7,313.26/10,970.28 = 2,119.54/x
  3. Step 3: Cross multiply
    7,313.26x = 10,970.28 × 2,119.54
  4. Step 4: Simplify right side
    7,313.26x = 23,251,947.27
  5. Step 5: Solve for x
    x = 23,251,947.27/7,313.26
  6. Step 6: Final answer
    x = 3,179.42

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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.