Home / 7,407.48-11,109.78-2,214.84

Finding the Fourth Proportional to 7,407.48, 11,109.78 and 2,214.84

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Solution

The fourth proportional to 7,407.48, 11,109.78 and 2,214.84 is: 3,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.48 : 11,109.78 = 2,214.84 : x
  2. Step 2: Convert to fraction form
    7,407.48/11,109.78 = 2,214.84/x
  3. Step 3: Cross multiply
    7,407.48x = 11,109.78 × 2,214.84
  4. Step 4: Simplify right side
    7,407.48x = 24,606,385.14
  5. Step 5: Solve for x
    x = 24,606,385.14/7,407.48
  6. Step 6: Final answer
    x = 3,321.83

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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.