Home / 7,507.72-11,260.56-1,960.61

Finding the Fourth Proportional to 7,507.72, 11,260.56 and 1,960.61

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Solution

The fourth proportional to 7,507.72, 11,260.56 and 1,960.61 is: 2,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.72 : 11,260.56 = 1,960.61 : x
  2. Step 2: Convert to fraction form
    7,507.72/11,260.56 = 1,960.61/x
  3. Step 3: Cross multiply
    7,507.72x = 11,260.56 × 1,960.61
  4. Step 4: Simplify right side
    7,507.72x = 22,077,594.69
  5. Step 5: Solve for x
    x = 22,077,594.69/7,507.72
  6. Step 6: Final answer
    x = 2,940.65

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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.