Home / 8,747.86-13,128.09-4,304.56

Finding the Fourth Proportional to 8,747.86, 13,128.09 and 4,304.56

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Solution

The fourth proportional to 8,747.86, 13,128.09 and 4,304.56 is: 6,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.86 : 13,128.09 = 4,304.56 : x
  2. Step 2: Convert to fraction form
    8,747.86/13,128.09 = 4,304.56/x
  3. Step 3: Cross multiply
    8,747.86x = 13,128.09 × 4,304.56
  4. Step 4: Simplify right side
    8,747.86x = 56,510,651.09
  5. Step 5: Solve for x
    x = 56,510,651.09/8,747.86
  6. Step 6: Final answer
    x = 6,459.94

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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.