Home / 5,491.38-8,235.41-4,614.15

Finding the Fourth Proportional to 5,491.38, 8,235.41 and 4,614.15

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Solution

The fourth proportional to 5,491.38, 8,235.41 and 4,614.15 is: 6,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.38 : 8,235.41 = 4,614.15 : x
  2. Step 2: Convert to fraction form
    5,491.38/8,235.41 = 4,614.15/x
  3. Step 3: Cross multiply
    5,491.38x = 8,235.41 × 4,614.15
  4. Step 4: Simplify right side
    5,491.38x = 37,999,393.98
  5. Step 5: Solve for x
    x = 37,999,393.98/5,491.38
  6. Step 6: Final answer
    x = 6,919.83

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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.