Home / 5,614.20-7,748.64-3,256.56

Finding the Fourth Proportional to 5,614.20, 7,748.64 and 3,256.56

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Solution

The fourth proportional to 5,614.20, 7,748.64 and 3,256.56 is: 4,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.20 : 7,748.64 = 3,256.56 : x
  2. Step 2: Convert to fraction form
    5,614.20/7,748.64 = 3,256.56/x
  3. Step 3: Cross multiply
    5,614.20x = 7,748.64 × 3,256.56
  4. Step 4: Simplify right side
    5,614.20x = 25,233,911.08
  5. Step 5: Solve for x
    x = 25,233,911.08/5,614.20
  6. Step 6: Final answer
    x = 4,494.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.