Home / 4,265.83-6,399-1,304.20

Finding the Fourth Proportional to 4,265.83, 6,399 and 1,304.20

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Solution

The fourth proportional to 4,265.83, 6,399 and 1,304.20 is: 1,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.83 : 6,399 = 1,304.20 : x
  2. Step 2: Convert to fraction form
    4,265.83/6,399 = 1,304.20/x
  3. Step 3: Cross multiply
    4,265.83x = 6,399 × 1,304.20
  4. Step 4: Simplify right side
    4,265.83x = 8,345,583.80
  5. Step 5: Solve for x
    x = 8,345,583.80/4,265.83
  6. Step 6: Final answer
    x = 1,956.38

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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.