Home / 4,431.64-6,641.10-3,439.80

Finding the Fourth Proportional to 4,431.64, 6,641.10 and 3,439.80

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Solution

The fourth proportional to 4,431.64, 6,641.10 and 3,439.80 is: 5,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.64 : 6,641.10 = 3,439.80 : x
  2. Step 2: Convert to fraction form
    4,431.64/6,641.10 = 3,439.80/x
  3. Step 3: Cross multiply
    4,431.64x = 6,641.10 × 3,439.80
  4. Step 4: Simplify right side
    4,431.64x = 22,844,055.78
  5. Step 5: Solve for x
    x = 22,844,055.78/4,431.64
  6. Step 6: Final answer
    x = 5,154.76

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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.