Home / 5,457.81-8,188.34-2,537.85

Finding the Fourth Proportional to 5,457.81, 8,188.34 and 2,537.85

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Solution

The fourth proportional to 5,457.81, 8,188.34 and 2,537.85 is: 3,807.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.81 : 8,188.34 = 2,537.85 : x
  2. Step 2: Convert to fraction form
    5,457.81/8,188.34 = 2,537.85/x
  3. Step 3: Cross multiply
    5,457.81x = 8,188.34 × 2,537.85
  4. Step 4: Simplify right side
    5,457.81x = 20,780,765.98
  5. Step 5: Solve for x
    x = 20,780,765.98/5,457.81
  6. Step 6: Final answer
    x = 3,807.53

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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.