Home / 8,350.24-11,519.28-5,160.88

Finding the Fourth Proportional to 8,350.24, 11,519.28 and 5,160.88

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Solution

The fourth proportional to 8,350.24, 11,519.28 and 5,160.88 is: 7,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.24 : 11,519.28 = 5,160.88 : x
  2. Step 2: Convert to fraction form
    8,350.24/11,519.28 = 5,160.88/x
  3. Step 3: Cross multiply
    8,350.24x = 11,519.28 × 5,160.88
  4. Step 4: Simplify right side
    8,350.24x = 59,449,621.77
  5. Step 5: Solve for x
    x = 59,449,621.77/8,350.24
  6. Step 6: Final answer
    x = 7,119.51

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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.