Home / 4,885.80-7,332.33-2,806.80

Finding the Fourth Proportional to 4,885.80, 7,332.33 and 2,806.80

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Solution

The fourth proportional to 4,885.80, 7,332.33 and 2,806.80 is: 4,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.80 : 7,332.33 = 2,806.80 : x
  2. Step 2: Convert to fraction form
    4,885.80/7,332.33 = 2,806.80/x
  3. Step 3: Cross multiply
    4,885.80x = 7,332.33 × 2,806.80
  4. Step 4: Simplify right side
    4,885.80x = 20,580,383.84
  5. Step 5: Solve for x
    x = 20,580,383.84/4,885.80
  6. Step 6: Final answer
    x = 4,212.29

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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.