Home / 8,748.84-13,128.61-3,486.37

Finding the Fourth Proportional to 8,748.84, 13,128.61 and 3,486.37

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Solution

The fourth proportional to 8,748.84, 13,128.61 and 3,486.37 is: 5,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.84 : 13,128.61 = 3,486.37 : x
  2. Step 2: Convert to fraction form
    8,748.84/13,128.61 = 3,486.37/x
  3. Step 3: Cross multiply
    8,748.84x = 13,128.61 × 3,486.37
  4. Step 4: Simplify right side
    8,748.84x = 45,771,134.93
  5. Step 5: Solve for x
    x = 45,771,134.93/8,748.84
  6. Step 6: Final answer
    x = 5,231.68

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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.