Home / 5,438.97-8,162.60-3,589.47

Finding the Fourth Proportional to 5,438.97, 8,162.60 and 3,589.47

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Solution

The fourth proportional to 5,438.97, 8,162.60 and 3,589.47 is: 5,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.97 : 8,162.60 = 3,589.47 : x
  2. Step 2: Convert to fraction form
    5,438.97/8,162.60 = 3,589.47/x
  3. Step 3: Cross multiply
    5,438.97x = 8,162.60 × 3,589.47
  4. Step 4: Simplify right side
    5,438.97x = 29,299,389.87
  5. Step 5: Solve for x
    x = 29,299,389.87/5,438.97
  6. Step 6: Final answer
    x = 5,386.94

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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.