Home / 4,584.60-6,876.80-1,811.30

Finding the Fourth Proportional to 4,584.60, 6,876.80 and 1,811.30

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Solution

The fourth proportional to 4,584.60, 6,876.80 and 1,811.30 is: 2,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.60 : 6,876.80 = 1,811.30 : x
  2. Step 2: Convert to fraction form
    4,584.60/6,876.80 = 1,811.30/x
  3. Step 3: Cross multiply
    4,584.60x = 6,876.80 × 1,811.30
  4. Step 4: Simplify right side
    4,584.60x = 12,455,911.19
  5. Step 5: Solve for x
    x = 12,455,911.19/4,584.60
  6. Step 6: Final answer
    x = 2,716.90

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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.