Home / 5,661.38-8,491.84-2,887.99

Finding the Fourth Proportional to 5,661.38, 8,491.84 and 2,887.99

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Solution

The fourth proportional to 5,661.38, 8,491.84 and 2,887.99 is: 4,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.38 : 8,491.84 = 2,887.99 : x
  2. Step 2: Convert to fraction form
    5,661.38/8,491.84 = 2,887.99/x
  3. Step 3: Cross multiply
    5,661.38x = 8,491.84 × 2,887.99
  4. Step 4: Simplify right side
    5,661.38x = 24,524,363.23
  5. Step 5: Solve for x
    x = 24,524,363.23/5,661.38
  6. Step 6: Final answer
    x = 4,331.87

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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.