Home / 5,656.56-8,487.36-1,961.45

Finding the Fourth Proportional to 5,656.56, 8,487.36 and 1,961.45

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Solution

The fourth proportional to 5,656.56, 8,487.36 and 1,961.45 is: 2,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.56 : 8,487.36 = 1,961.45 : x
  2. Step 2: Convert to fraction form
    5,656.56/8,487.36 = 1,961.45/x
  3. Step 3: Cross multiply
    5,656.56x = 8,487.36 × 1,961.45
  4. Step 4: Simplify right side
    5,656.56x = 16,647,489.84
  5. Step 5: Solve for x
    x = 16,647,489.84/5,656.56
  6. Step 6: Final answer
    x = 2,943.04

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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.