Home / 4,808.75-6,634.59-2,817.90

Finding the Fourth Proportional to 4,808.75, 6,634.59 and 2,817.90

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Solution

The fourth proportional to 4,808.75, 6,634.59 and 2,817.90 is: 3,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.75 : 6,634.59 = 2,817.90 : x
  2. Step 2: Convert to fraction form
    4,808.75/6,634.59 = 2,817.90/x
  3. Step 3: Cross multiply
    4,808.75x = 6,634.59 × 2,817.90
  4. Step 4: Simplify right side
    4,808.75x = 18,695,600.59
  5. Step 5: Solve for x
    x = 18,695,600.59/4,808.75
  6. Step 6: Final answer
    x = 3,887.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.