Home / 5,327.09-7,986.52-3,678.88

Finding the Fourth Proportional to 5,327.09, 7,986.52 and 3,678.88

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Solution

The fourth proportional to 5,327.09, 7,986.52 and 3,678.88 is: 5,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.09 : 7,986.52 = 3,678.88 : x
  2. Step 2: Convert to fraction form
    5,327.09/7,986.52 = 3,678.88/x
  3. Step 3: Cross multiply
    5,327.09x = 7,986.52 × 3,678.88
  4. Step 4: Simplify right side
    5,327.09x = 29,381,433.33
  5. Step 5: Solve for x
    x = 29,381,433.33/5,327.09
  6. Step 6: Final answer
    x = 5,515.47

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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.