Home / 5,445.12-8,167.68-3,492.48

Finding the Fourth Proportional to 5,445.12, 8,167.68 and 3,492.48

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Solution

The fourth proportional to 5,445.12, 8,167.68 and 3,492.48 is: 5,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.12 : 8,167.68 = 3,492.48 : x
  2. Step 2: Convert to fraction form
    5,445.12/8,167.68 = 3,492.48/x
  3. Step 3: Cross multiply
    5,445.12x = 8,167.68 × 3,492.48
  4. Step 4: Simplify right side
    5,445.12x = 28,525,459.05
  5. Step 5: Solve for x
    x = 28,525,459.05/5,445.12
  6. Step 6: Final answer
    x = 5,238.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.