Home / 4,268.46-6,400.80-1,306.02

Finding the Fourth Proportional to 4,268.46, 6,400.80 and 1,306.02

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Solution

The fourth proportional to 4,268.46, 6,400.80 and 1,306.02 is: 1,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.46 : 6,400.80 = 1,306.02 : x
  2. Step 2: Convert to fraction form
    4,268.46/6,400.80 = 1,306.02/x
  3. Step 3: Cross multiply
    4,268.46x = 6,400.80 × 1,306.02
  4. Step 4: Simplify right side
    4,268.46x = 8,359,572.82
  5. Step 5: Solve for x
    x = 8,359,572.82/4,268.46
  6. Step 6: Final answer
    x = 1,958.45

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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.