Home / 4,431.38-6,649.50-1,659.98

Finding the Fourth Proportional to 4,431.38, 6,649.50 and 1,659.98

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Solution

The fourth proportional to 4,431.38, 6,649.50 and 1,659.98 is: 2,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.38 : 6,649.50 = 1,659.98 : x
  2. Step 2: Convert to fraction form
    4,431.38/6,649.50 = 1,659.98/x
  3. Step 3: Cross multiply
    4,431.38x = 6,649.50 × 1,659.98
  4. Step 4: Simplify right side
    4,431.38x = 11,038,037.01
  5. Step 5: Solve for x
    x = 11,038,037.01/4,431.38
  6. Step 6: Final answer
    x = 2,490.88

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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.