Home / 5,438.24-8,157.96-1,739.60

Finding the Fourth Proportional to 5,438.24, 8,157.96 and 1,739.60

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Solution

The fourth proportional to 5,438.24, 8,157.96 and 1,739.60 is: 2,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.24 : 8,157.96 = 1,739.60 : x
  2. Step 2: Convert to fraction form
    5,438.24/8,157.96 = 1,739.60/x
  3. Step 3: Cross multiply
    5,438.24x = 8,157.96 × 1,739.60
  4. Step 4: Simplify right side
    5,438.24x = 14,191,607.61
  5. Step 5: Solve for x
    x = 14,191,607.61/5,438.24
  6. Step 6: Final answer
    x = 2,609.59

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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.