Home / 4,438.89-6,656.61-1,664.05

Finding the Fourth Proportional to 4,438.89, 6,656.61 and 1,664.05

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Solution

The fourth proportional to 4,438.89, 6,656.61 and 1,664.05 is: 2,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.89 : 6,656.61 = 1,664.05 : x
  2. Step 2: Convert to fraction form
    4,438.89/6,656.61 = 1,664.05/x
  3. Step 3: Cross multiply
    4,438.89x = 6,656.61 × 1,664.05
  4. Step 4: Simplify right side
    4,438.89x = 11,076,935.12
  5. Step 5: Solve for x
    x = 11,076,935.12/4,438.89
  6. Step 6: Final answer
    x = 2,495.43

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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.