Home / 7,739.84-11,614.77-2,809.05

Finding the Fourth Proportional to 7,739.84, 11,614.77 and 2,809.05

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Solution

The fourth proportional to 7,739.84, 11,614.77 and 2,809.05 is: 4,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.84 : 11,614.77 = 2,809.05 : x
  2. Step 2: Convert to fraction form
    7,739.84/11,614.77 = 2,809.05/x
  3. Step 3: Cross multiply
    7,739.84x = 11,614.77 × 2,809.05
  4. Step 4: Simplify right side
    7,739.84x = 32,626,469.67
  5. Step 5: Solve for x
    x = 32,626,469.67/7,739.84
  6. Step 6: Final answer
    x = 4,215.39

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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.