Home / 4,268.26-6,402.16-1,306.70

Finding the Fourth Proportional to 4,268.26, 6,402.16 and 1,306.70

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Solution

The fourth proportional to 4,268.26, 6,402.16 and 1,306.70 is: 1,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.26 : 6,402.16 = 1,306.70 : x
  2. Step 2: Convert to fraction form
    4,268.26/6,402.16 = 1,306.70/x
  3. Step 3: Cross multiply
    4,268.26x = 6,402.16 × 1,306.70
  4. Step 4: Simplify right side
    4,268.26x = 8,365,710.43
  5. Step 5: Solve for x
    x = 8,365,710.43/4,268.26
  6. Step 6: Final answer
    x = 1,959.98

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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.