Home / 4,286.75-6,430.77-1,512.93

Finding the Fourth Proportional to 4,286.75, 6,430.77 and 1,512.93

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Solution

The fourth proportional to 4,286.75, 6,430.77 and 1,512.93 is: 2,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.75 : 6,430.77 = 1,512.93 : x
  2. Step 2: Convert to fraction form
    4,286.75/6,430.77 = 1,512.93/x
  3. Step 3: Cross multiply
    4,286.75x = 6,430.77 × 1,512.93
  4. Step 4: Simplify right side
    4,286.75x = 9,729,304.86
  5. Step 5: Solve for x
    x = 9,729,304.86/4,286.75
  6. Step 6: Final answer
    x = 2,269.62

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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.