Home / 7,748.24-11,615.82-3,134.48

Finding the Fourth Proportional to 7,748.24, 11,615.82 and 3,134.48

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Solution

The fourth proportional to 7,748.24, 11,615.82 and 3,134.48 is: 4,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.24 : 11,615.82 = 3,134.48 : x
  2. Step 2: Convert to fraction form
    7,748.24/11,615.82 = 3,134.48/x
  3. Step 3: Cross multiply
    7,748.24x = 11,615.82 × 3,134.48
  4. Step 4: Simplify right side
    7,748.24x = 36,409,555.47
  5. Step 5: Solve for x
    x = 36,409,555.47/7,748.24
  6. Step 6: Final answer
    x = 4,699.07

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1.5x scale

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.