Home / 5,856.78-8,084.40-3,620.36

Finding the Fourth Proportional to 5,856.78, 8,084.40 and 3,620.36

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Solution

The fourth proportional to 5,856.78, 8,084.40 and 3,620.36 is: 4,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.78 : 8,084.40 = 3,620.36 : x
  2. Step 2: Convert to fraction form
    5,856.78/8,084.40 = 3,620.36/x
  3. Step 3: Cross multiply
    5,856.78x = 8,084.40 × 3,620.36
  4. Step 4: Simplify right side
    5,856.78x = 29,268,438.38
  5. Step 5: Solve for x
    x = 29,268,438.38/5,856.78
  6. Step 6: Final answer
    x = 4,997.36

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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.