Home / 4,815.60-6,642.81-2,825.73

Finding the Fourth Proportional to 4,815.60, 6,642.81 and 2,825.73

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Solution

The fourth proportional to 4,815.60, 6,642.81 and 2,825.73 is: 3,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.60 : 6,642.81 = 2,825.73 : x
  2. Step 2: Convert to fraction form
    4,815.60/6,642.81 = 2,825.73/x
  3. Step 3: Cross multiply
    4,815.60x = 6,642.81 × 2,825.73
  4. Step 4: Simplify right side
    4,815.60x = 18,770,787.50
  5. Step 5: Solve for x
    x = 18,770,787.50/4,815.60
  6. Step 6: Final answer
    x = 3,897.91

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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.