Home / 5,458.45-8,181.21-2,492.35

Finding the Fourth Proportional to 5,458.45, 8,181.21 and 2,492.35

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Solution

The fourth proportional to 5,458.45, 8,181.21 and 2,492.35 is: 3,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.45 : 8,181.21 = 2,492.35 : x
  2. Step 2: Convert to fraction form
    5,458.45/8,181.21 = 2,492.35/x
  3. Step 3: Cross multiply
    5,458.45x = 8,181.21 × 2,492.35
  4. Step 4: Simplify right side
    5,458.45x = 20,390,438.74
  5. Step 5: Solve for x
    x = 20,390,438.74/5,458.45
  6. Step 6: Final answer
    x = 3,735.57

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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.