Home / 4,580.40-6,865.20-1,805.64

Finding the Fourth Proportional to 4,580.40, 6,865.20 and 1,805.64

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Solution

The fourth proportional to 4,580.40, 6,865.20 and 1,805.64 is: 2,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.40 : 6,865.20 = 1,805.64 : x
  2. Step 2: Convert to fraction form
    4,580.40/6,865.20 = 1,805.64/x
  3. Step 3: Cross multiply
    4,580.40x = 6,865.20 × 1,805.64
  4. Step 4: Simplify right side
    4,580.40x = 12,396,079.73
  5. Step 5: Solve for x
    x = 12,396,079.73/4,580.40
  6. Step 6: Final answer
    x = 2,706.33

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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.