Home / 7,439.13-11,154.74-3,274.31

Finding the Fourth Proportional to 7,439.13, 11,154.74 and 3,274.31

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Solution

The fourth proportional to 7,439.13, 11,154.74 and 3,274.31 is: 4,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.13 : 11,154.74 = 3,274.31 : x
  2. Step 2: Convert to fraction form
    7,439.13/11,154.74 = 3,274.31/x
  3. Step 3: Cross multiply
    7,439.13x = 11,154.74 × 3,274.31
  4. Step 4: Simplify right side
    7,439.13x = 36,524,004.58
  5. Step 5: Solve for x
    x = 36,524,004.58/7,439.13
  6. Step 6: Final answer
    x = 4,909.71

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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.