Home / 7,508.50-11,260.72-2,828.19

Finding the Fourth Proportional to 7,508.50, 11,260.72 and 2,828.19

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Solution

The fourth proportional to 7,508.50, 11,260.72 and 2,828.19 is: 4,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.50 : 11,260.72 = 2,828.19 : x
  2. Step 2: Convert to fraction form
    7,508.50/11,260.72 = 2,828.19/x
  3. Step 3: Cross multiply
    7,508.50x = 11,260.72 × 2,828.19
  4. Step 4: Simplify right side
    7,508.50x = 31,847,455.70
  5. Step 5: Solve for x
    x = 31,847,455.70/7,508.50
  6. Step 6: Final answer
    x = 4,241.52

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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.