Home / 7,403.90-11,107.61-2,209.64

Finding the Fourth Proportional to 7,403.90, 11,107.61 and 2,209.64

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Solution

The fourth proportional to 7,403.90, 11,107.61 and 2,209.64 is: 3,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.90 : 11,107.61 = 2,209.64 : x
  2. Step 2: Convert to fraction form
    7,403.90/11,107.61 = 2,209.64/x
  3. Step 3: Cross multiply
    7,403.90x = 11,107.61 × 2,209.64
  4. Step 4: Simplify right side
    7,403.90x = 24,543,817.33
  5. Step 5: Solve for x
    x = 24,543,817.33/7,403.90
  6. Step 6: Final answer
    x = 3,314.98

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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.