Home / 7,231.58-10,836.89-3,529.63

Finding the Fourth Proportional to 7,231.58, 10,836.89 and 3,529.63

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Solution

The fourth proportional to 7,231.58, 10,836.89 and 3,529.63 is: 5,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.58 : 10,836.89 = 3,529.63 : x
  2. Step 2: Convert to fraction form
    7,231.58/10,836.89 = 3,529.63/x
  3. Step 3: Cross multiply
    7,231.58x = 10,836.89 × 3,529.63
  4. Step 4: Simplify right side
    7,231.58x = 38,250,160.23
  5. Step 5: Solve for x
    x = 38,250,160.23/7,231.58
  6. Step 6: Final answer
    x = 5,289.32

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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.