Home / 4,265.12-6,398.70-1,343.43

Finding the Fourth Proportional to 4,265.12, 6,398.70 and 1,343.43

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Solution

The fourth proportional to 4,265.12, 6,398.70 and 1,343.43 is: 2,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.12 : 6,398.70 = 1,343.43 : x
  2. Step 2: Convert to fraction form
    4,265.12/6,398.70 = 1,343.43/x
  3. Step 3: Cross multiply
    4,265.12x = 6,398.70 × 1,343.43
  4. Step 4: Simplify right side
    4,265.12x = 8,596,205.54
  5. Step 5: Solve for x
    x = 8,596,205.54/4,265.12
  6. Step 6: Final answer
    x = 2,015.47

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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.