Home / 7,512.12-11,260.35-2,828.91

Finding the Fourth Proportional to 7,512.12, 11,260.35 and 2,828.91

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Solution

The fourth proportional to 7,512.12, 11,260.35 and 2,828.91 is: 4,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.12 : 11,260.35 = 2,828.91 : x
  2. Step 2: Convert to fraction form
    7,512.12/11,260.35 = 2,828.91/x
  3. Step 3: Cross multiply
    7,512.12x = 11,260.35 × 2,828.91
  4. Step 4: Simplify right side
    7,512.12x = 31,854,516.72
  5. Step 5: Solve for x
    x = 31,854,516.72/7,512.12
  6. Step 6: Final answer
    x = 4,240.42

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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.