Home / 7,220.16-10,826.19-3,514.50

Finding the Fourth Proportional to 7,220.16, 10,826.19 and 3,514.50

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Solution

The fourth proportional to 7,220.16, 10,826.19 and 3,514.50 is: 5,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.16 : 10,826.19 = 3,514.50 : x
  2. Step 2: Convert to fraction form
    7,220.16/10,826.19 = 3,514.50/x
  3. Step 3: Cross multiply
    7,220.16x = 10,826.19 × 3,514.50
  4. Step 4: Simplify right side
    7,220.16x = 38,048,644.76
  5. Step 5: Solve for x
    x = 38,048,644.76/7,220.16
  6. Step 6: Final answer
    x = 5,269.78

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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.