Home / 5,541.01-8,313.94-2,421.80

Finding the Fourth Proportional to 5,541.01, 8,313.94 and 2,421.80

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Solution

The fourth proportional to 5,541.01, 8,313.94 and 2,421.80 is: 3,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.01 : 8,313.94 = 2,421.80 : x
  2. Step 2: Convert to fraction form
    5,541.01/8,313.94 = 2,421.80/x
  3. Step 3: Cross multiply
    5,541.01x = 8,313.94 × 2,421.80
  4. Step 4: Simplify right side
    5,541.01x = 20,134,692.53
  5. Step 5: Solve for x
    x = 20,134,692.53/5,541.01
  6. Step 6: Final answer
    x = 3,633.76

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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.