Home / 5,367.81-7,399.01-4,231.62

Finding the Fourth Proportional to 5,367.81, 7,399.01 and 4,231.62

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Solution

The fourth proportional to 5,367.81, 7,399.01 and 4,231.62 is: 5,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.81 : 7,399.01 = 4,231.62 : x
  2. Step 2: Convert to fraction form
    5,367.81/7,399.01 = 4,231.62/x
  3. Step 3: Cross multiply
    5,367.81x = 7,399.01 × 4,231.62
  4. Step 4: Simplify right side
    5,367.81x = 31,309,798.70
  5. Step 5: Solve for x
    x = 31,309,798.70/5,367.81
  6. Step 6: Final answer
    x = 5,832.89

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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.