Home / 5,561.56-8,340.30-1,664.64

Finding the Fourth Proportional to 5,561.56, 8,340.30 and 1,664.64

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Solution

The fourth proportional to 5,561.56, 8,340.30 and 1,664.64 is: 2,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.56 : 8,340.30 = 1,664.64 : x
  2. Step 2: Convert to fraction form
    5,561.56/8,340.30 = 1,664.64/x
  3. Step 3: Cross multiply
    5,561.56x = 8,340.30 × 1,664.64
  4. Step 4: Simplify right side
    5,561.56x = 13,883,596.99
  5. Step 5: Solve for x
    x = 13,883,596.99/5,561.56
  6. Step 6: Final answer
    x = 2,496.35

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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.