Home / 4,287.68-6,431.70-1,366.02

Finding the Fourth Proportional to 4,287.68, 6,431.70 and 1,366.02

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Solution

The fourth proportional to 4,287.68, 6,431.70 and 1,366.02 is: 2,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.68 : 6,431.70 = 1,366.02 : x
  2. Step 2: Convert to fraction form
    4,287.68/6,431.70 = 1,366.02/x
  3. Step 3: Cross multiply
    4,287.68x = 6,431.70 × 1,366.02
  4. Step 4: Simplify right side
    4,287.68x = 8,785,830.83
  5. Step 5: Solve for x
    x = 8,785,830.83/4,287.68
  6. Step 6: Final answer
    x = 2,049.09

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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.