Home / 4,778.04-7,167.14-1,817.85

Finding the Fourth Proportional to 4,778.04, 7,167.14 and 1,817.85

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Solution

The fourth proportional to 4,778.04, 7,167.14 and 1,817.85 is: 2,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.04 : 7,167.14 = 1,817.85 : x
  2. Step 2: Convert to fraction form
    4,778.04/7,167.14 = 1,817.85/x
  3. Step 3: Cross multiply
    4,778.04x = 7,167.14 × 1,817.85
  4. Step 4: Simplify right side
    4,778.04x = 13,028,785.45
  5. Step 5: Solve for x
    x = 13,028,785.45/4,778.04
  6. Step 6: Final answer
    x = 2,726.81

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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.