Home / 8,958.09-13,438.35-3,762.75

Finding the Fourth Proportional to 8,958.09, 13,438.35 and 3,762.75

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Solution

The fourth proportional to 8,958.09, 13,438.35 and 3,762.75 is: 5,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.09 : 13,438.35 = 3,762.75 : x
  2. Step 2: Convert to fraction form
    8,958.09/13,438.35 = 3,762.75/x
  3. Step 3: Cross multiply
    8,958.09x = 13,438.35 × 3,762.75
  4. Step 4: Simplify right side
    8,958.09x = 50,565,151.46
  5. Step 5: Solve for x
    x = 50,565,151.46/8,958.09
  6. Step 6: Final answer
    x = 5,644.64

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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.