Home / 7,150.46-10,724.55-1,955.12

Finding the Fourth Proportional to 7,150.46, 10,724.55 and 1,955.12

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Solution

The fourth proportional to 7,150.46, 10,724.55 and 1,955.12 is: 2,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.46 : 10,724.55 = 1,955.12 : x
  2. Step 2: Convert to fraction form
    7,150.46/10,724.55 = 1,955.12/x
  3. Step 3: Cross multiply
    7,150.46x = 10,724.55 × 1,955.12
  4. Step 4: Simplify right side
    7,150.46x = 20,967,801.68
  5. Step 5: Solve for x
    x = 20,967,801.68/7,150.46
  6. Step 6: Final answer
    x = 2,932.37

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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.