Home / 5,405.28-8,110.80-2,327.52

Finding the Fourth Proportional to 5,405.28, 8,110.80 and 2,327.52

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Solution

The fourth proportional to 5,405.28, 8,110.80 and 2,327.52 is: 3,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.28 : 8,110.80 = 2,327.52 : x
  2. Step 2: Convert to fraction form
    5,405.28/8,110.80 = 2,327.52/x
  3. Step 3: Cross multiply
    5,405.28x = 8,110.80 × 2,327.52
  4. Step 4: Simplify right side
    5,405.28x = 18,878,049.22
  5. Step 5: Solve for x
    x = 18,878,049.22/5,405.28
  6. Step 6: Final answer
    x = 3,492.52

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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.