Home / 7,405.83-11,108.75-2,409.21

Finding the Fourth Proportional to 7,405.83, 11,108.75 and 2,409.21

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Solution

The fourth proportional to 7,405.83, 11,108.75 and 2,409.21 is: 3,613.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.83 : 11,108.75 = 2,409.21 : x
  2. Step 2: Convert to fraction form
    7,405.83/11,108.75 = 2,409.21/x
  3. Step 3: Cross multiply
    7,405.83x = 11,108.75 × 2,409.21
  4. Step 4: Simplify right side
    7,405.83x = 26,763,299.54
  5. Step 5: Solve for x
    x = 26,763,299.54/7,405.83
  6. Step 6: Final answer
    x = 3,613.82

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Similar ratio
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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.